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this is speed

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Gen 4 more like Jen snore gen 5. I feel

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alive this PCIe Gen 5 SSD May well be the

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fastest m.2 drive on the planet over 12

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gigabytes a second that is so fast you

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could move your Warzone install in about five seconds and even if you're more

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into playing games than copy pasting them around with direct storage

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compatible titles finally hitting the market Gamers might have a reason to add

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storage speed to their list of specs

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that actually matter let's see what this thing can do wait a minute

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69 megabytes a second that's not nice

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that's not nice at all just like it's not nice to make you wait

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and find out what's going on after this message from our sponsor thanks to the

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ridge for sponsoring this video made with premium quality materials the ridge

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link below and use code Linus to save 10 off your purchase and get free shipping

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before we get into the inconvenient details let's talk about what makes the

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crucial t700 a hair among tortoises a

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star among planets a diamond among roughs it starts with the interface

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while this may look exactly like the

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kind of m.2 drive that you would install in your PC and in fact you could since

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it's fully backwards compatible when paired with a PCIe Gen 5 capable CPU and

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motherboard it goes from a theoretical maximum of 7.9 gigabytes a second to

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nearly 16 gigabytes a second but Linus

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you might say even your best case scenario demo you did had it anywhere

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from 11 to 12 gigabytes a second uh well

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yes while the interface itself can hit

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the speeds I just said this is our big but wait there's less moment you see

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there's more than one factor that affects the real world performance of an

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SSD and the interface is one of them but

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another is the controller and our t700

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here has a doozy of a controller the new

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fizen e26 is an eight channel controller that can easily handle drives with four

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terabytes of capacity at speeds of up to 14 gigabytes per second that is nearly

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double the speed of their end game Gen 4 controller

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I know 14 gigabytes a second is also not

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12 but you're forgetting the third major factor that affects SSD performance The

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nand Flash that actually stores the data and this is the hardest part to scale

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honestly the fact that this thing is as fast as it is is a modern Miracle the

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t700 uses micron's latest 232 layer TLC

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nand at 2 000 Mega transfers per second to deliver the performance we saw up to

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12 plus gigabytes per second of sequential reads and about 11 gigabytes

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per second of sequential rights in both the 2 and 4 terabyte capacities now

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curiously it seems that by pushing the dies to their full rated 2400 Mega

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transfers per second they could probably saturate the fize and e26 controller but

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there are some reasons that they might not do that starting with that it

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probably wouldn't affect anything behind me is two identical ryzen 7950x bench

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PCS courtesy of our lab on the left we've got the Samsung 990 Pro probably

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the fastest Gen 4 SSD on the market if

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you ignore the firmware issues on the right we've got the t700 Gen 5 baby uh

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time for our Crystal dismark drag race let's go okay your your team your team

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last year gen gen four gen four wait how many of these t700 tradition versus

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modernity this is great all right we ready yeah let's go let's go let's go

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didn't even count in what why I went okay it was already around now yeah I

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want to win what can I say oh look at this see you

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later buddy how's my rearview mirror treating you oh my God this is brutal

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literally more than double double the performance

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we're back to sequentials let's go right

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speed baby particularly those lower Q depth

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sequentials just crushing the Gen 4 Drive

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uh that's my first L if you look closely

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you'll notice the weak improvements in random reads and random writes which

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funnily enough is the category of Drive activity that represents typical

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day-to-day use and it's also where most

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drives struggle why is that so slow

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well here's the thing writing to an SSD is kind of like boarding an airplane

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each row is a block and if you want to add a person to a row well first you

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need to pull everyone out of that row so the new person can get in then everyone

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has to sit back down this takes time with sequential rights people ready to

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be seated together in convenient groups of three you can fill several rows or

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blocks quickly but with random rights you've got different people trickling in

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and out of different sections at different times and they all got to

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squeeze into the various random open seats on the plane sequential rights are

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also slowed down when there are people already sitting in a row but when

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there's some down time the flight attendants are running the trim function

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where they move people who have been seated in their own rows into rows with

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other people so that when an influx of new passengers come along we don't have

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to worry as much about doing the awkward seat dance when those random rights do

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happen though boy does it ever suck here we go Adam let's go oh we're doing what

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are we doing now we want we are opening some programs oh let's see let's open

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some programs okay so we should close steam let's close steam yeah launch Team

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okay three two one go

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okay that was this same same even the

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ads lived at the same uh uh uh Edge

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three two one go

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um maybe something heavier uh like a game maybe closed Edge okay PC Mark's

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kind of a dog yeah open up PC mark one two three go

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oh whoa that was a pretty big win actually significant yeah okay but can

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we repeat it three two one go

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uh uh okay now on the subject of PC mark

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it did in the storage Benchmark show a

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solid win for the new drive with the t700 leading by about 16 but in less

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good news when we fired up for spoken which at this point is our only PC

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showcase for direct storage um it was just plain couldn't tell the

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difference that's not to say we couldn't measure the difference we were looking at about

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a five percent Advantage for our Gen 5

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SSD but there was no difference in actual frame rate and that five percent

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was just not something we could actually notice in Final Fantasy end Walker we

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did see a 14 Improvement in load times which is cool but it's a far cry from

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the 40 Improvement that these drives showed in synthetic benchmarks like

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Crystal disk marks you know what maybe we should just do a

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big file transfer in Windows I mean we say it all the time you know these

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sequential drives at least they're good for big file transfers let's do some big

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files all right yeah this is going to go really fast probably so

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six gigabytes a second five gigabytes a

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second four and a half gigabytes a second I mean

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that's pretty fast 4.2 gigabytes a second but that's that's

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really fast maybe the fastest I've ever seen we seem to have hit some sort of

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file explorer or bottleneck here at about four gigabytes a second

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but here's the thing even if Windows Explorer didn't come up against its own

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software limitations when performance is this fast it can only last for so long

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running our new drives in iometer free

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of Windows File Explorer we've slammed them for 15 minutes of continuous

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activity and saw our speeds fall precipitously in less than a minute down

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to about three gigabytes a second what's going on here you might ask is it

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thermal throttling the answer is no with either the heatsink on the drive or the

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integrated heat spreader on your motherboard these drives stay well

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within their thermal limits what did happen though is we overwhelmed the cash

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on our Drive pretty much all modern drives store more than one bit per cell

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which gives them more capacity but comes at the cost of performance and Longevity

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but here's the thing many drives especially performance ones can operate

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that multi-bit per cell nand in a kind of pseudo SLC mode so it's kind of like

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switching over a segment of the storage to go much faster but at the cost of

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capacity once the drive has filled up that low capacity cache it starts

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running at much slower TLC Nan speeds

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then when that is nearly full we move to

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what's called a folding state where the drive runs at a distinctly unimpressive

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one to one and a half gigabytes per second basically it's bottlenecked by

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being forced to rearrange data on the Fly while it's operating rather than

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being allowed to perform these operations in the background while you aren't using it which if you remember

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from our airplane analogy is pretty

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inefficient lo and behold the 990 Pro

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suffers the exact same fate even coming in at similar sustained numbers wait a

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second that's because despite the impressively dense new nand on the t700

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it's not actually faster than the nand

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flash from Top tier Gen 4 drives like the 990 Pro bummer

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to be clear this only happens when you're moving incredibly large files and

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it doesn't reflect typical use most of the time you're doing those random reads

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and writes that can easily be handled by the high speed cache which is actually

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an even bigger problem for the marketing teams who are tasked with selling these

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drives if the sequential numbers aren't sustainable and the Gen 5 interface is

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ludicrously overkill for the more random workloads that we encounter on a daily

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basis what is the point of this thing okay

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it's possible that you're a power user with numerous virtual machines or Docker

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containers you could have some use for this but honestly I think even that is

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kind of missing the point of what makes PCIe Gen 5 drives so exciting the real

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exciting part is not necessarily this drive or even the current PCIe gen 5

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crop of platforms but rather The

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increased expansion that could be available to us in the future

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thanks to gen 5's faster per Lane data

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rates we could in theory get the same performance from our drives as last gen

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or gpus or network cards using half as

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many lanes like think about a ryzen 5000 system you got your GPU that 16 lanes

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you've got your single m.2 storage drive that's another four and then you're

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sitting there going hmm I need more storage why don't I add a second m.2

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Drive well when you go to add that second Drive instead of running off the PCIe

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lanes that are directly wired into the CPU you're going to be running off lanes

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that are going through the motherboard chipset which is fine but the more

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drives you want to add the more potential there's going to be for

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bottlenecks unless you want to fall back to slower SATA drives now workstation

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class CPUs do exist with much greater PCIe connectivity but they're also

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significantly more expensive with PCIe Gen 5 on the other hand well we get

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double the performance with the same number of lanes or the same performance

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using half as many lanes so suddenly you

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could have two drives out of more than ample eight gigabytes a second with nice

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low latency connections directly to the CPU personally I'd actually like to see

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us go all the way down to a single Lane Drive at four gigabytes a second and

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then I could have four of them sick now in practice it's not that simple

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nothing ever is but think about it this could be a very interesting path for the

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industry to follow and in fact we're already seeing it in the server space

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now you might be wondering why not just

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make more Lanes instead of trying to make the lanes faster well the thing is

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that more Lanes means more pins are needed to connect them and more pins

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means more complexity and more complexity means higher costs so while

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I'm a little disappointed to find out that there is no clear benefit to this

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thing for the average gamer hey at least

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we can have fun with them right see big numbers uh why don't we raid zero these

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drives see how fast they go hey hey raid zero is a valid

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configuration David oh my God are you actually using Windows Drive manager to

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really use storage space just do it I don't care we just got to get this guy

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in here this is ridiculous well there's two in here now you're booted on we have

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to format it into a drive and then are these hot spots uh PCIe is not hot

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chocolate yes it is it is well not on consumer platforms I'm shutting it down

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how many of these can you fit in there in the tech I thought you were gonna ask how many I could fit in my butt oh I was

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gonna ask about your Tech sack did you try this and it's really fast

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yes neat well it failed when I tried to create it so that's cool

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um and just like if we were running a single Drive

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um other bottlenecks would stop us before we'd get anywhere near this kind

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of performance in the real world so as our testing is shown today it's

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not really the speed that matters at least not today the real benefits of

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PCIe Gen 5 are more about flexibility

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and I guess being ready for whatever the future might bring and whatever segue I

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00:14:15,060 --> 00:14:20,940
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that we actually do use in our editing day right over there

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yep that's right I mean it's not in there it's in the server room but but they use it every day to not nearly its

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full potential just like this oh crap