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this is the fastest gaming CPU on the planet right now installed in an 1100

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rog motherboard but you know what it's just not fast enough for me we need

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to go faster so today we're going to be taking Intel's core i9 12900k

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putting a healthy little dollop of dielectric grease

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all in these CPU pins there oh don't worry this is

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for its own good and we are going to be taking it sub zero with our 3

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000 watt CPU chiller that's right we're

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hooking an air conditioner directly up to the CPU socket and it's going to be a

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lot of fun ladies and gentlemen let's see how fast we can make this thing go

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and who's sponsoring this mess see sonic wow that makes sense they'll sponsor

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anything what 1300 watt powers apply oh

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yeah i guess it kind of makes sense it makes a little sense you try and do stuff like this without a good quality

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power supply you're gonna have a real bad time

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go check out seasonic linked down below

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you guys did your best on the installation job for part one here no we

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didn't but i'm definitely glad that i'm here to supervise this time here's the

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thing when i said that i was doing this for the CPU zone good that's the truth

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the goop that i'm sticking into the pins in the CPU socket here is called

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dielectric grease and it serves a very important function because while the

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chiller project was an enormous success we managed to get this core i7 this is

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an older one down to minus 20 degrees

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celsius there are some inherent risks

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that come with going that cold namely condensation so because you can't stick

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you know a big old thing of foam into your CPU socket pins you want to use a

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non-conductive grease like this dielectric grease that i'm smearing

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around in here to make sure that we don't have any uh

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moisture causing a short between the pins that would be a real bad time and

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probably kill our CPU something to note guys is that as messy and awful as this

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looks it's not harming the motherboard in any way and this board could continue

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to function for years with this dielectric grease in the socket it's

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it'll just be messy you'll be a messy boy give me give me more give me more

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free brittany moore

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it should be criminal to have this much fun at work it's hilarious

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now normally at this stage we would install the CPU and use the hold down

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and retention ARM to keep it in place but when you're going sub-zero you can't

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afford to have any little air gaps around the CPU because that's where all

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the cold refrigerant is going to be delivered and the thing is

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something like this absolutely impossible to perfectly

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insulate so you're going to get these little pockets where you get moisture condensing on the cold metal and then

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dripping is it possible to both hate and love

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something this much clearly

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yeah because i'm doing it

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your fingers are greasy it's probably fine

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yeah it's pretty shielded oh yeah it's actually got a whole like plate on the

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back and everything wow it's Linus proof

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this is a disaster why did you guys do this is there another one

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yep all right thank goodness yeah that one was already pretty shot the good

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news is that we aren't going to do anything like that to it this time

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because you don't really have to this is a cool feature of this board by the way it has not only the lga 1700 holes which

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are standard but it also has the older style lga 1000 series holes so when

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you've got an old cooler you can just put it on there you get it you just get

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on there little buddy how much how much frost did you guys get on the back of

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the board last time uh outside of that pad outside of that

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pad yeah then the back plate's coming off i wish i hadn't put the dielectric

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grease in just yet but hey that's what life is about learning

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through my mistakes the good news is that none of this stuff that's got a

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thermal pad on it on the back here is gonna need to be cooled

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i should probably explain that pcbs or boards like this are made predominantly

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of copper so copper happens to be an excellent conductor of heat which means

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that if you cool this CPU socket area

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it will actually cool a huge amount of the board around it

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especially when the CPU isn't working real hard because there's just not

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enough heat from these surrounding components to overcome the frost spread

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now they apparently didn't find this when they were insulating last time

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around but i actually have a motherboard

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sized and with all the holes already punched through it piece of this

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insulation foam here then i'm going to take the part for the CPU

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i'm gonna put it right there and we're gonna stab all the way through and that

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should pretty much do it for installation for the back of the board

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so where are the uh where are the stabbies

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uh over there okay

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how many of them are three all of them oh they're all through yeah

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oh nailed it um i think you might be mistaken though i think the

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might be the outer one it doesn't matter though it doesn't make a difference to what we're doing

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i mean we could just use the threads to kind of

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oh no eliminate the gap between them this is a trippy kind of eraser that i

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had actually never heard of in my life until i tried to subzero cool a machine

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a few years back and learned that you like you like put

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it down on the paper and then lift it up you don't like rub with it anyway it's

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super malleable and it's a nice cheap way to

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insulate around a CPU socket so this allows us to kind of push into you know

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little gaps that we otherwise wouldn't be able to

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to properly protect this is more for if you wanted to like daily drive sub-zero

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cooling which by the way people used to do back in the day like there was a huge

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small community um at like extreme

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systems and stuff like that that would build you know custom phase change

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coolers and and actually 24 7 their cpus

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at subzero you always need to make sure that

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you're focusing your your insulation on

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places where you could potentially have moisture drip

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so i'm going to make sure that i pack things in really good down around the bottom here

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it's been so long since i've insulated a board feels good feels

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nostalgic back when overclocking was fun you know maybe if i just will it to be

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fun and have a point again it will we want to go right up to the RAM slots

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because the last thing you want man i can't think of anything you want less

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than moisture in your RAM slot uh metal chips i mean yeah metal chips okay i

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mean it's not a competition alex now what we need is to get our

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insulation up to the same level as the ihs of the CPU so the top of the metal

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spreader we're going to use this for that

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doesn't have to be the most crazy precise thing in the world

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what's nice about sticking this stuff onto the artist eraser is that you can actually clean up the board reasonably

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well when you're done you know it's another way to get no air

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in there put it in a vacuum sealed container

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no i refuse it's awful alex

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i will not do that to this board not perfect not bad

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now we need to un this defy this

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now do you want this thermal probe in there yeah we need the thermal probe in there so we're gonna go right there

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we're going to kind of force it into this crack

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i want to get this probe cover just oh hold on hold on i lost the thermal loop

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okay right there yep this is why i wanted it to be round by

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the way i know i i know that it wasn't possible

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okay so now we just have to get it down to the level of the

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uh cold plate like you probably need a solid three layers of this stuff

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over every part of it do you want to wrap that for me

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oh yeah the adhesive on this isn't very good no it's really worn out this is

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super old is there an orientation does it matter no okay

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oh my god honestly this is like not that stupid

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i'm serious it's really not so you'll want to do

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another round of that and then don't bother trying to like poke holes or like

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cut it perfectly just like put it on and just like poke it through the hardware

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and then tighten down the hardware just like right on top of it just just make

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sure you've got a pretty decent amount of pressure all right this is like going

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to work now just more insulation

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and hopefully we're good to go

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now we want this tight but not

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super duper tight but also pretty super duper tight

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because it is holding in the CPU last time we had some issues with these

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lines also getting all frozen and condensationy so with any luck

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this will help prevent that oh

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that's really on there freaking

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heck yeah

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should be so much better than last time

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yeah yeah yeah

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i mean that's pretty fine i think

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uh where's our GPU at i like it i like it high enough performance that our

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benchmark scores will still be like good and not bottlenecked but we're not

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risking anything too expensive we've got a 30 60 going here

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you know what's the craziest thing about this chiller

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is that it is conceivable that we could actually hook a GPU up to it as well in

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the future just with like a splitter or something like that off here yeah it

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won't go a whole lot colder like you'll be able to see the

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condenser temps right here but it can definitely pull a lot more

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heat out of stuff yeah it'll be really nice to have just like a ready-to-go

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sub-zero cooling solution just

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like that uh oh our RAM is gone oh yeah that's

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pretty important i don't want to lose that ddr5 RAM this stuff's expensive as

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fragi isn't it uh yes oh yeah this is the 6000 cl 36 stuff

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um this stuff better not die

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i mean that's okay g skill you would you'd forgive us right g skill watching

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like i'm so damn excited right now are you

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ready uh sure should we make sure this turns

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on first oh yeah right if okay if we were daily driving the thing normally

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people set up a relay so that when you press the power button on your computer

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it also fires up your compressor and your fan for the condenser but no we don't

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have that so yeah go ahead never do this

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this this is mains power never this yeah none

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of this none of this the only reason we have it still

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connected at all is because you can't just

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plug in a modern compressor and condenser and expect it to just run full

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tilt all the time and you wouldn't even necessarily want it to that wouldn't be healthy for it so this is the controller

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that has all the safeties like say for example the safety that turns it off if

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the evaporator fan turns off which is why we have this sitting here spinning

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oh i'm gonna let go of that all right let's turn this on fire it up

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come on okay we'll see if it starts we might need to warm this thermal probe up

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a bit

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oh huh there we go there we go the fan spinning i really

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hope it posts especially after i lectured you guys

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about your way of insulating if my way doesn't work better then i'm

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gonna look like a jackass oh it's officially sub-zero nice come on

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baby i see flashing on the floor there we go yes

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okay that's step one step two is ignore fan monitoring oh

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yeah these are already frosting

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definitely need to cover these up you see what i'm doing here brandon i'm

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just covering up that exposed metal from the the bolt through brandon there's a

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little display on this ridiculously fancy motherboard if you come over to

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where i am you can see it's gonna pop up CPU package zero degrees

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there it is it could very well be lower but that might be the limit of what it'll display

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yeah the radiator inlet's currently at 16 and a half degrees which is ambient

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so we are not able to get any colder than it's 14 right now negative 14 minus

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14. okay well i mean hey that's not a bad start

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yeah it's not warm yeah do we have any parts of it that are

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sort of scary cold and we're worried about condensation on

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uh

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some of these bits around the top are very cold

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like right here yeah okay uh the good news is at least to the

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touch it feels not bad

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what you would normally do assuming you actually wanted to 24 7 this thing is

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you would keep the computer off during this kind of testing like where you're

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you know looking at temperatures and checking for condensation because that

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way any moisture is not going to harm it then what you would do is you would make

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sure you'd run it for like 24 hours take it all apart kind of go okay did we

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actually get any moisture pockets anywhere and then if you didn't

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then it's safe to fire up your phase change cooler and go to town because if

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it doesn't if it doesn't get condensation on it when there's no load

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on the CPU it definitely won't when the CPU is generating some heat

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and it looks like that worked so we are uh

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we're turboing which i guess we expected

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CPU is like oh yeah i think i got some thermal headroom yeah i feel like if we

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just use ASUS's ai overclocking crap in the

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BIOS we can probably get it going pretty fast

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real quick uh

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i sincerely doubt that it's related to the chiller right now it's probably just

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this RAM being bleeding edge uh have we

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updated the BIOS of this board uh no we haven't we should probably make

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sure we've got whatever the latest retail BIOS is as well brand new

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platforms man you just stuff happens

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that's why whenever you've seen us update our editing workstations for example i've seen criticism from people

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like oh you guys aren't even using the fastest seven like no dog

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we go with something proven when we need to actually get work done gaming machine

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sure whatever you get a blue screen once a month who cares but like

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no no not when you're working task manager just in case we need that for

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whatever reason okay we are

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apparently at zero degrees should we try putting a little load on it just to see

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what happens sure make sure that it doesn't freak out

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our score to beat is 27 000. oh my god

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our CPU is running at 30 degrees on the

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package running cinebench

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i think we've got a little bit of headroom yeah i think it's working

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so score 26 866. did we thermal velocity boost more than

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we did before no okay so it's basically the same yeah

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okay well then it's time to uh time to turn

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up the juice you just cranked it all the way to the right yeah which you can do

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whatever you want it's probably do like a half a volt offset that probably makes

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sense what is that even based on you're just dragging sliders around yeah so

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okay what we're looking for is like 1.42

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1.43 volts that'll get you like

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pretty fast on these okay

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so then we want about 0.25 then

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yeah that probably makes more sense

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we'll not be able to recover to a valid state automatically

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hold on oh brandon didn't see that yeah that was an amazing error message sorry

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you missed it it basically said your system will not be able to recover to a

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valid state automatically if this thing crashes

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it's going to crash let's see what happens if we actually put a load on it

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60 degrees now 80.

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i think we have a thermal bottleneck alex

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i think our we're also drawing 420 watts our interface is not good enough nice

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boost though 28 605 well it's faster let's run it again and

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let's have a look at our CPU frequencies

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5.2 on all performance cores and 4.0 on

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all efficiency cores why is it supposedly reaching 100

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degrees and thermal throttling

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but keeping that frequency the whole time yeah it's kind of weird

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i would expect it to drop if it was actually that hot i wonder if it's not

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actually reading it properly how high are these efficiency cores

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supposed to go i haven't actually looked into this at all the highest that i've

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seen people get them is like 4.1 4.2 but they'll do four pretty easily

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well let's go for 4.2 all right i mean how many times do you live right

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for this board maybe once there they go

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doing it okay so the core temperatures are saying that it's at 60 this time despite it

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running faster i think it was just bugged before

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29.097 that's really fast that's really fast

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we are dangerously close to 32 core threadripper 2990 wx territory we have

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half as many cores guys half as many cars boys

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okay well the only responsible thing to do at this point is to take our two active

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cores and see if we can do like 5.5 you know what let's just try

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plus 0.3 volts and see what happens ah

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uh yeah i don't think our CPU is happy

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i'm a little bit suspicious that our problem is current and it's going to

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cause our voltage to drop when we hit all the cores at the 5.4

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and that's why it's shutting down we also might just be at where the silicon

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like its absolute limits but i feel like we can push it a little

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bit faster now i have the multimeter hooked up

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to the pins here so we can see the core voltage on our multimeter

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and i feel like when i hit go it's going to go up to like 1.4 and then it's going

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to drop and then the system's going to crash but let's see

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the core temperatures are going fine so it must have just been a problem with

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the reporting before once it was over 100 degrees

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we drew 264 amps during that run often

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i think we need to leave xtu for a little bit

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and go into some real hardcore settings here

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by hardcore settings i mean just disabling all current limits we'll just

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come in here oh don't crash oh damn it

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you crashed oh you piece of we bring out the camera and this is what you do

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well we beat the threadripper um i guess it's not quite stable

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i guess at the last two cores we tried to get to 5.4 gigahertz they're not very

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happy there uh 5.3 seems to be where they want to be the rest can do 5'4

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but this is basically what we're doing so for every CPU you have your voltage

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and frequency curve 4.5 gigahertz you come over here it's like

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1.15 whatever volts is what you're getting so first thing that we have to

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do is extend this so it goes to like 5.2 right now we want to

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go just kind of up here and then we just offset the

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whole thing by a point zero

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five volts or something like that raise the whole thing up so hopefully it's

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more stable hopefully we don't get as much droop although it's an insane

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amount of voltage this thing is taking right now it's like

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over 400 watts it's pretty stupid but it seems to be working i would very

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strongly recommend scatterbenches alder like overclocking guide it's like an

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hour and a half long but the amount of information in there is obscene if you

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want to actually overclock these things go and watch that but anyway

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all of the cores are at 5.4 gigahertz

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except for the last two there are 5.3 they don't seem happy at 5.4

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all of the efficiency cores are still at 4.2 gigahertz

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and we're running what only 1.3 volts

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although it does get higher than that as you're going to be able to tell from

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here so it's saying we're drawing 371 watts oh

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no

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oh why did we turn on the camera brandon

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it was working before

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that's how it always works thirty thousand fifty four to beat also

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not crashing to beat

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oh 3064.

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heck yeah beat it by 10 points

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that's pretty crazy given that we have literally half as many cores as the 2990

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wx i'm getting slightly concerned i can see that where the thumb screws are

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there's a little bit of condensation if you look like over here

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the amount of frost is obscene this thing is so freaking cold that gives you

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an idea of what it's like inside that CPU and why

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if we didn't have all insulation be having a real bad time

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now let's come over here i upped the voltage just a tiny bit

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it's probably going to crash we've the second that we brought the camera is

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just been crash city because of course it is

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yep piece of crap did we get there

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we did we beat it by 700 points and then stupid brandon had to turn his camera on

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we can't do it again yes this is your fault brandon we didn't

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get it once on camera we only beat it by 10 points i think it meant stupid

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situation brandon had to turn his stupid camera on it's not the brandon that's

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stupid it's everything else oh my god we did beat it like look it's

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within 55 points on this run you know what

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i'm calling that a victory i'm calling that a victory it's obvious there's

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still work that we could do whether it's on our evaporator design whether it's on

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the flatness whether it's on our mounting pressure or whatever the case

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may be but i think also with just like it's a

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pretty cool setup we're in real like tweaking the little list of

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voltages and frequencies and stuff like we're right on the edge in terms of if

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you've got an outstanding cooler what to expect from alder lake

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this is about it yeah just like you'd always expect me to

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tell you about our sponsor what is there to say other than sea sonic they make

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great power supplies that that's right can deliver

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watts nice over the 8-pin CPU power connectors

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and do it nice and stably so that you're not going to be giving up any potential

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00:23:16,480 --> 00:23:22,400
overclocking headroom because you got a crummy power supply so go check them out

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00:23:19,840 --> 00:23:25,679
they've got up to 12-year warranties like what

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and we've got them linked down below okay let's shut it down and have a look

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at the yeah the nonsense whoa okay well there's

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definitely some frost yeah i was a bit concerned about those i think everything

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else might be fine

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so this all there's a little bit of moisture right

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in here right around the CPU the rest seems dry

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this also is all dry that worked fantastic

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back of the motherboard oh yeah that's totally dry bone dry back

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there this worked really well well i'm super stoked that we were able

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to get this processor faster than 2990 wx that's

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frigging insane huge thanks to see sonic for sponsoring

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00:24:11,840 --> 00:24:16,720
this video and if you liked it hit like get subscribed

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00:24:15,919 --> 00:24:21,919
and you know watch our sub-zero cooling build guide we did

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it was years ago but lions did a full guide if you wanted to

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00:24:23,279 --> 00:24:29,600
24 7 a sub-zero build for some reason

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bye