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I make a pretty big deal about how awesome our merch is and In fairness it

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is lttstore.com but even I can't help

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but feel a little bit of small PP energy when I see other YouTuber merch that is

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this freaking cool in front of me are

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four gaming computers and a special

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black box that allows me to effortlessly seamlessly and nearly instantly switch

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between them with the exact same monitor keyboard and mouse setup I'm sorry what

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here watch I'll do it again Boop that is so freaking cool and

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of course it would come courtesy of Wendell from level one text I just have

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a few questions Wendell hey what exactly is this thing why did you create it and

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what makes it so flipping special I mean what is the difference between YouTuber

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merch and just an actual tech product at this point I don't know maybe I can get

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the answer from our sponsor Mexico their

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new Aurora Pro 4K projector features three HDMI 2.1 inputs a maximum screen

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size of 150 inches and support for Dolby

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Vision next It Go learn more at the link down below everything about

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this product is just delightfully Wendell from the Plain

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White Packing box with the simple not

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even glossy adhesive backed laser

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printed label on it to the unimaginative yet amply descriptive name I mean what

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is it if not 8K DisplayPort 1.4 KVM

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switch with USB 3.2 gen 1. that's what

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it is right and this is everything it

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does which when you dig into it is not

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padded that is a freaking lot but first

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what exactly is a KVM switch

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goodness gracious this thing is huge oh I see we've got the chungus one all

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right well included is a little manual

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a basic power adapter with oh okay yeah

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it's got the modular thing on it but you only get a North American one sorry

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everyone else oh and that's pretty much

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it which is fine because this this is

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what you need for the uninitiated what

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you guys are looking at here is a KVM or keyboard video Mouse which okay it's not

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much of a keyboard and it certainly isn't a mouse or a video is actually a

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switcher for those three devices and the idea here is that if you have multiple

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computers say for example your gaming machine is a PC and your work machine is

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a Mac or a Linux box you have the ability to switch your peripherals and

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the device that your monitor is accepting an input from all with the

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Press of a button or actually with a good KVM and this is a good KVM with a

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hotkey that you press on your keyboard of course none of that is what makes

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this special kvms in their various forms have existed basically since the dawns

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of keyboards mice and video devices what's cool about this one is how much

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video it can handle this is a DisplayPort 1.4 KVM and this one doesn't

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just switch which machine or machines are taking input from your mouse and

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keyboard and outputting to your monitor it actually can handle up to two

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monitors across four separate systems not only

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that friends but each of these ports is DisplayPort 1.4 which means this thing

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is capable of up to 8K 60fps with chroma

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sub sampling or 4K 120 hertz 444 and

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it's packed with all kinds of other gaming Centric features like support for

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HDR support for freesync that's right variable refresh rate meaning it might

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not have RGB or flashy packaging or even

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an impressive sounding name but this is

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no ordinary piece of office equipment this is the gaming KVM I gotta say this

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thing reminds me more of an AV receiver than anything else here is where each PC

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can input up to two monitors here's the

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USB Uplink here's the audio Uplink for each one and then things get a little

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bit confusing because if you want to plug in a peripheral well okay your

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human interface devices so your keyboards and mice they all go here your

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headphones that you actually to use go here okay these are upstream and then if

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you have a USB device that you want to plug in all right to these PCS that high

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speed Port is right there and then you've also got another human interface

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device one and another high speed one on the front super convenient the buttons on the

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front are to switch which computer you want but of course there's an easier way

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to do that which I showed you guys already and there's more there's a version that supports USB 3 5 gig but

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also one that supports USB 310 gig meaning you could have a storage device

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connected through your KVM and transfer files at up to 10 gigabit per second

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from you know this computer to that one not that you would ever do that with

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your KVM because let's face it you know level one text and you can afford one of

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these so you probably just have a 10 gig Network already which brings us to kind

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of an uncomfortable point it's 700 for

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the version I have in front of me that isn't even the top of the line and it

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doesn't even come with cables because while Wendell does stock cables on the

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level one tech store he figured hey look if you can get them affordably somewhere

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else and he doesn't have to QC them so much the better so with that pricing

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in mind you're probably wondering how could anybody justify this

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well why don't we see it in action and I'll show you I really hope you guys

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don't like cable management because this is about to get really ugly really fast

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come on around back here with me

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boom you are now pc4 something to be aware of

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is that while it's super convenient to have the KVM up close to the user and

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the computer is far away from the user you're just going to want to make sure that you've used extremely high quality

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cables in a case like that because you're going to have to account for all

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the loss from the cable itself as well

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as the loss from the interface here I talked to Wendell about this when I was

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actually using one of these to switch between a lan PC in the land room and my

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own PC and he was like yeah it's just really important to use

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high quality cables in a nutshell

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oh how did I manage to get these so hopelessly mixed up this one's still not

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plugged in what just happened you see this yeah yeah which one oh that's the

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first that's what I was trying to tell you I hope these are all good cables I

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hope so too oh this one is infinite cable so this one's going to work great

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can you show for them slightly harder you think um well that one's not so it's probably

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not going to work because it's not from Infinity it's probably going to be fine

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it just depends monitor because one of them is 1440p and that one's 4K this is

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awful and we don't even have any audio

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devices plugged in yet you have a suggestion for a better way to do it yes

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everything should be wireless Bluetooth oh wonderful this is great the weight of

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the cables pulling the feet up you need

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some lead weights in there Wendell that's my free consultation for you for

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your product design or you could use the upcoming LTT Cable Management things oh

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yeah actually that's true that's a better show sorry Wendell do you want any other things

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um like an Xbox controller or some high-speed storage controller would be

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cool how about this high speed storage high speed storage yeah oh my goodness

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this is I got some more things for you here

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here's a mic why not right uh I mean I guess so here's a hub you can plug in

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there why are you why are you determined to push this to the Limit why not I mean

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I guess so I got a capture card if you want Jake I like how you're using the

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Xbox controller as your hid device is it not a human interface device well

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you won't be able to use the hotkeys oh no there's all there are four hid ports

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oh really yeah oh cool no this thing is freaking awesome oh sick yeah did you

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mention you can rack mount it that would kind of solve these problems no I hadn't mentioned that yet it's cheap I think

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it's like 20 bucks for the rack mount kit yeah okay

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okay hey look at the plug and freaking play g-sync

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compatible display connected you don't understand how remarkable it is that

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that just worked the pleb way to switch to another

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computer and you can see the light goes from green to green plus red is to press

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the button there and there it is look satechi d Drive

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and the other USB drive oh man I never even thought about like sharing a webcam

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for example yeah where's the webcam I thought we got a webcam yeah let's get a

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webcam we've got the mic the webcam is actually like a uniquely kind of awesome

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use case because that's really difficult to do through I mean realistically any

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kind of Hub I always recommend plugging a webcam directly into a USB 3 port and

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the other thing is that it's really uncommon for these KVM switches to have

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USB 3 ports at all usually it's keyboard

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video Mouse not keyboard video Mouse webcam microphone USB drive I mean then

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it would be a KVM now a point of clarification is that

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Wendell doesn't actually recommend using it for mass storage devices probably

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because you're not going to be on top of it and you're not going to safely remove

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them not because it can't do it so your mileage may vary with that but he does

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support a lot of other Enthusiast specific use cases like it's

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been tested with high-end RGB keyboards from the likes of Coursera cougar brands

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that don't start with c and it's validated for hdcp pass-through so I

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mean we can test that real quick uh what's a what's an hdcp protected

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something I mean Netflix is flex I think

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do we have Network running to any of these nope and one of them probably has

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Wi-Fi I imagine one of them definitely is oh god oh geez everything is going

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bad all right you know what we can test is HDR hello hey well that immediately

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worked freaking awesome is there like hdcp test

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website you know like is that a thing is there a simple tool to determine if my

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hdcp is working oh wow this looks like a wonderful app download advisor

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bruh how about no okay the NVIDIA control

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panel can apparently do it also a fantastic app very recently updated

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definitely not fresh out of 2006. yes all good

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so we weren't going to be able to run into anything that was not going to work

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because it's fine great that was our problem good job Wendell why is our

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webcam not working are you sure it's not working I mean it's like red and looks

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sad oh you probably need this hey literal actual poser okay fine fine I

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will take that I'll take a picture there you happy you gotta shave make yourself

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look younger I don't think it'll help remember when Luke shaved it's true but

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Luke's also younger than me you know what really makes you look younger being

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younger Line This is just going through his Obama phase that eight years when

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you just age 25 years wait you haven't even like switched between computers

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that much oh right right right let's show the cool way to do it

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what really that's so cool scroll

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squirrel fort what else can you do I am now using that

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computer and look there's my storage which definitely totally works but

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definitely probably causes problems like Wendell said see this is what oh you

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should always listen to Wendell just always listen to Wendell and then your

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life will be good oh the webcam seems not happy uh I'll figure it out I'll

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figure it out give it a sec and once the drivers are already Arnold

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yeah of course it immediately Works what

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freaking love it and it's completely seamless with the keyboard and mouse

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because oh did I even mention this not all of his products are just kvms so

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he's got a wide wide range of different devices depending on how much you want

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to spend you don't have to get the 700 Cadillac version there's just dual PC

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ones like this single monitor two PC uh

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here's one that's single monitor two PC with a 10 gig Uplink that's why it's

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USBC and he even has one that doesn't support a display at all oh yeah it just

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supports Mouse roaming between the machines in Hardware so we've done that

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before in software but in software in Hardware yeah you do need a fully hid

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compatible Mouse so some fancy gaming mice might break it sure but like a

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normie Dell Mouse of this one will probably work fine yep that's kind of

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nuts and the other really cool one is the USB power delivery one oh yeah so

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it'll charge the connected devices if you want to switch between your laptop

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and your iPad yeah and have mouse keyboard input for both of them I mean

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he even makes one with four monitor support you can do four computer four

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monitor which is that's like the 1200 one how big is it large it's tall it's

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in charge basically any setup you can imagine I think that one is built to

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order because there's no photos of it and it's just like if you want this

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please email Wendell at what no internet

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yeah this one's not plugged in I just I just switched computers again you just

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didn't even notice me doing it because I was like boom boom boom boom boom

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computer switch let's go anyway the one that I'm playing games on is this one so

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this is the use case for this right if you've got a render or code compile

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running on something else or maybe one of your machines is just a server that

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you have a GUI on for some reason because you're weak like me and you just

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want to be able to check on it once in a while I really want this because I have like

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my little router box I'm going to build and my Nas and I have them sitting side by side I want to be able to switch

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between them so let's just check all that switching around I just want to see

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is HDR still working can I enable it

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here enable HDR in my game yes that

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definitely worked this is so cool I mean

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it's the kind of thing where realistically if you don't need it

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that's fine you can just spend the rest of your life pretending that these

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things don't exist that kvn means kernel virtual machine I mean you're not wrong

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but if you're a Discerning multi-box user and you don't happen to have

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um the world's largest desk to hold all two of your monitors for every one of

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your four systems this is an absolutely incredible solution and level one tax

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has a sick product portfolio that covers basically all the bases now and they're

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even working on DisplayPort 2.0 and Thunderbolt in the future Thunderbolt

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KVM I actually didn't even know well he was saying that the Intel Thunderbolt

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chipset is kind of a piece of crap in that it will be very difficult oh okay

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so maybe yeah I guess my only question at this point is why did it take a

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YouTuber to create this product I mean there's literally hundreds of KVM

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switches on the market uh well it's actually very simple in the beginning it

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was this is the situation I have I have a lot of computers and I want to switch

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between multiple sets of displays and computers easily why is this so hard I

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mean it turned out that there were actually a lot of good reasons why it was hard that I didn't understand I had

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to do a lot of homework to understand USB and DisplayPort and new USB and

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other USB look I tried eight or nine different kvms over the years and I

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couldn't find a single one that did everything well so my first thought was

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to modify an existing product all right and only build my uh my own matter of

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Last Resort because ain't nobody wants to do that so for both USB and display

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switching you really need purpose-built integrated circuits or ICS to do that

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I'm not going to Fab my own ICS obviously and those are different chips

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companies like Texas Instruments and nxp make what are called reference designs

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for things like display switching you know USB spec literally has a section in

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it to dynamically map USB devices between different host computers for a

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KVM type use case so why don't we just Implement that in the spec well

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yeah that's that's actually what doesn't work if you exactly rigidly follow the

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spec and it's actually the same just same story when we're talking about

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DisplayPort DisplayPort switching it's a

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little problematic that's why the design philosophy of the KVM has shifted from

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trying to emulate a monitor and you know

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do all that stuff to just Plumbing different connections to the displays

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the KVM tries to be invisible now and operate purely as a switcher as a matter

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of design philosophy one of the biggest hurdles with fast and reliable display

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switching in a KVM top context is actually copyright copyright yeah it's

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actually a huge annoying mess copyright expansion maximalists require encryption

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hdcp between your GPU and your display because you're a filthy pirate and you

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might steal those ones and zeros those interests in copyright have inserted

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themselves into display standards committees to the extent that this kind

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of a KVM type use case is not even considered and even given a KVM that

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works you're going to have to juggle multiple sets of encryption Keys between different computer often that's not done

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well it is an awful lot of unnecessary human suffering that ultimately doesn't

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do anything to stop media piracy when I

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started this I never would have guessed that so many problems with this stem

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from this hdcp mechanism

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fortunately I was able to learn a lot about that and a lot how about you know

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USB works or it doesn't work and all the edge cases with USB and I built an

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amazing relationship with an ace team in Taiwan that helped me understand that

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taught me a lot and we worked together on stuff so the hardware design of the

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KVM it's already modular there's multiple boards inside this KVM and each

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board only does one thing it's a separation of concerns we in software

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like that so if you want three DisplayPort you've got three DisplayPort

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boards plus a USB board in the bottom and if I have to go off script and do my

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own thing I can do my own thing and so as I put in the work and learned

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everything way back in the DisplayPort 1.2 days testing a whole bunch of

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devices I learned that there was a lot that was really to do with you know the

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specific functionality around the USB spec I mean a lot of the USB devices

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themselves don't follow spec remember how I mentioned USB has a thing in it

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for dynamically mapping devices to host computers well virtually no USB

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peripheral maker even tests for that take for example the Logitech unifying

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receiver this thing is common as rocks and sticks and it actually supports an 8

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byte USB protocol and a 20 Baht USB protocol the 20 USB protocol is better

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in every way you can do cooler stuff but for old Legacy compatibility you need

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that 8 byte protocol so if you've got a KVM and you're switching between a host

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that's doing 8 byte and another host that's doing 20 byte you're gonna have

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to handle that and that's complicated so how do you handle that well very

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carefully it turns out so through my collaboration and software because it

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turns out I'm decent at that we can do something a little bit more pragmatic

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rather than actually follow spec to the letter buggy Logitech wireless receivers

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and universal audio video Codec that means driverless even Corsair K65

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keyboards and whatever kind of crazy USB peripherals you've got can work I

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actually have two different kinds of USB ports on the KVM the USB 3 ports are

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hard switch and the the USB head ports are more of that Dynamic device mapping

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thing uh sometimes we can't fix it in the KVM this behind me here that's the

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Samsung G9 Neo it loves to not work it

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works reasonably okay with the KVM we sell only because I found bugs in

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Samsung's DisplayPort firmware and I opened a ticket with Samsung and I

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relentlessly harassed them for about three months yeah three months to get a

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new firmware and finally they sent me one 1008 and newer which now largely

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works with the KVM the main reason that I've become known for kvms is that I'm

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willing to chase things down like that to try to understand to try to go down a

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rabbit hole of pain and human suffering and try to figure out someone else's

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bugs bugs that if we strictly stick to the spec they would never get fixed I

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still read every single trouble ticket that comes in and internalize it up here

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that's the secret of the success someone that's willing to put all that in their

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brain buying a KVM for me means that I'm gonna put the money back into more and

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better products and to try to understand the problems and

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fix it and through that I found some amazing connections

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our customers include game development companies Fortune 500s nuclear Labs even

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hospitals for radiology displays hospitals need kvms too yeah it turns

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out that if you've got a fancy Radiology display you don't want to buy a bunch of

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those you want to just switch between devices and hey we can do it and all of

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that is why I love these things so darn much Wendell is one of the only other

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people that I've ever met whose product creation process basically goes yeah

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this exists but it's not quite perfect enough for me and cost be damned I

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really do think that I could make it a little bit better the only question this

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all raises then is why is it so darn expensive look this level of debugging

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and Engineering it takes a lot of time and effort from a surprisingly large

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team even just buying quality 10 gigabit

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USB chipsets that actually work is a huge pain not to mention we are compared

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to basically every other KVM vendor operating at a very tiny scale although

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these things are almost hand crafted which means the costs are way higher

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even with higher costs customer expectations are sometimes impossible to

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meet you'd be surprised how many people expect to plug in a single Thunderbolt 4

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cable to their gaming laptop and be able to run three 4K 144hz monitors on the

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other side of that I'm sorry the math is that just not on your side 40 gigabit

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Thunderbolt 4 is pitiful in a world with 144hz monitors it can barely do one

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maybe not even and that's why even pedestrian USBC docs

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from the likes of Dell and HP like what you get with a business class machine they now have dual USBC connections and

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that's why the only way I can deal with that in the KVM is by having two or

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three separate connections so I could do something like this this

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is an upcoming model this one does 120 watt USBC power delivery but also has

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two extra monitor inputs that are full fat DisplayPort 1.4 as far as I know

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this is a globally unique product but even with all of that effort you know

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it's not perfect there are going to be edge cases there's going to be stuff that I run into but hey you're willing

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to work with me and spend some money I'll do what I can to try to figure it

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out or connect the dots or put it together because that's just how we roll

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level one it all I mean it leads to KVM adjacent products things like the Edie

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ID feeder this is the 8K version of that that we've been working on for a while

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uh LTT reached out unwittingly because

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they needed an eight-way HDMI thing and it's like well uh it's going to take

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some customization in order to be able to do that but we can do that and this

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was used at LTX because it's not exactly a KVM it's KVM adjacent but that's just

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because the cool stuff I love solving

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problems okay fair enough but I could think of one thing you don't have an

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answer for Mr Wendell smartypants I know I know it's our sponsor right

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Corsair building PCS is really fun but

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it's easy to finish up and realize you've somehow created a spaghetti

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inspired cable art piece I mean your mom would be super proud but you might want

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to also consider Corsair's IQ link ecosystem it helps reduce clutter inside

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your PC with one standardized cable connecting everything you can even chain

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devices together using that same simple connector all leading to a single IQ

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link system Hub that can be magnetically attached to your PC case each of the

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hub's two ports can handle up to seven connected devices which helps reduce

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cabling complexity and with a range of products in the ecosystem like fans

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coolers and power supplies building a fully connected PC is a breeze oh and of

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course you can customize the RGB lighting of all your Corsair devices

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with their IQ software check out Corsair's IQ link smart ecosystem at the

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link pun intended down below if you guys

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enjoyed this video you might enjoy seeing a potential use case for these

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things where I have a Central Computer in one place and then fiber optic

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running to different kind of stations where I can sit and use it throughout my

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house is that really a cost-saving measure by the time you buy one of these and a

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bunch of fiber optic whatever I would say if you wanted to buy a bunch of

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baller monitors this could actually save me money yeah yeah yeah but mostly it's

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just really cool and awesome