WEBVTT

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to answer the question once and for all whether you can water cool

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an air cooler hold on we got to get all the fins alex

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what'd we get 85

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nice what kind of motherboard has nowhere to

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install a CPU well no motherboard all motherboards need a CPU because

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otherwise what would do the processing but if you look at this one

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there's something a little unusual about it right you got your pci express

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sockets you got your memory slots and you got just a blank metal plate

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that's because the CPU socket is on the

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back but why well as it turns out this motherboard

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was designed with some pretty unique cooling concepts in mind and i for one

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cannot wait to try it out

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and i can't wait to tell you about our sponsor dot tech dot tech domains and

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accessible check out go.tech LTT to

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learn more

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other than the CPU socket being on the opposite side the antec rev q270 is a

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pretty standard looking industrial motherboard what i can't say the same

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about is the heatsink that they designed for it and

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in order to explain why they thought that this

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was the best solution i think we're going to have to back up

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entec is a spin-off company of edac electronic technology co who specializes

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in inspection equipment for electronics manufacturers like foxconn panasonic and

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sony aka these guys are the badasses that do the engineering work that lets

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other engineers test their engineering work and for their inspection equipment

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edac needed to have ultra-stable computers that are basically impervious

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to dust so logically they just went ahead and

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designed their own motherboard and flipped the CPU socket around you see

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when you're working in a manufacturing or fabrication oriented space there's

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nothing you can do about the fact that there is going to be some dust in the

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air and unlike in your bedroom we're not talking about cat hair we're talking

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about potential metal filings microscopic ones floating around in the

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air which can eventually cause enormous problems for a computer that's why in a

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workshop passively cooled machines like this one from compulab here are king

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even slow spinning fans with an excellent dust filter are going to

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quickly get clogged but to pull off this

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little marvel compulab had to create an entirely custom chassis motherboard and

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actually a fair number of other things so edac wanted to create something that's a

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little more modular and a little more affordable which explains how we ended

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up with a standard atx form factor motherboard but it still doesn't explain

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this well the thing is to passively cool a

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CPU even one that's not terribly powerful you need a lot of metal and

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edac wasn't able to fit a big enough cooler on the front of the case while

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still allowing for pci express expansion see that so after putting in the work to

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create this motherboard for their own uses edac thought well i mean

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yeah what if somebody else found this useful

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thus eggtech was born and we were able to get our hands on this motherboard so

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let's try it out wait we are going to submerge it in

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water right well yeah

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sorry not that well yeah not that one not that oh but but the thing yeah oh

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good just making sure

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everything about this feels wrong starting with flipping over the

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motherboard to install the CPU uh

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we're going with a core i7 6700k this is

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near the top end of what this motherboard can support but we're going to try a 7700k a little bit later

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and oh this is an interesting note uh is

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there no cooler for the chipset i don't know actually there is

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oh wonderful hey look at this when i see stuff like this it makes me wonder if

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the engineers at anc tech aren't uh watching LTT because we have said a lot

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of times it's baffling given how shamelessly computer companies rip each

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other off that more of them haven't just ripped off knocked to a secufer mounting

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mechanism and that's basically what this is except with kind of a clever cost

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saving measure so they use an o-ring here to secure the back bolts instead of

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having them be press fitted which is just kind of cheaper but a lot better

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than having them just flop around like a lot of other guys do

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there we go oh huh well didn't think of that

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look at this brandon there's so much space back here because

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of like the io and stuff that you can't just you can't just put it here and then put

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it down on the box i guess i just have to do it like this

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then like is this how you did it not even

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close oh all right well this is how i'm doing it

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all right there we go

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can i get that chipset cooler by any chance i'm going for the no-look catch

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oh what the who does that

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i threw it at my head this is a very wimpy heatsink

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considering that it is designed to be used with a passive CPU cooler

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not much to it and

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no way

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it's just not a line they just used a generic

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whatever this spacing which is pretty standard heatsink and it doesn't

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actually line up with the little like silkscreen marks they made for where

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it's supposed to sit another cost-saving measure

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is that it doesn't come with a cmos battery so you'll just have to get your

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own uh cr2032 three volt cell and pop it

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in really guys

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okay it's not designed for end users clearly

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let's go ahead and pop this it's in the one

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oh that makes sense yeah because like well can i just put it on for

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temporaries i just want to i won't even put thermal compound on for

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now i just want to see um oh i need a screwdriver no look catch

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no we're not doing that thanks

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man if they just sold this heatsink this thing is like badass look

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no idea if the performance is actually any good but it's definitely badass

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looking looks awesome are we like at the point

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of diminishing returns though being this far away from the CPU i guess not with a

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passive heat sink i see we've gone with trident z royal

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dims because i guess we're going for the most

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thematically coherent build of all time

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now all we need ah is a case

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large and hefty enough to accommodate this flippin beast and as alex alluded

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to before there is no case hefty enough to fit this heatsink

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through the motherboard tray while you're installing the motherboard so

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we're gonna go ahead and pop it off now everything about this feels

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just kind of wrong you know i've built so many computers in my life and this is

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the first one like this this is a thanks i hate it and a half

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like cursed motherboard you have against this thing it's just

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i had nothing against it i was super excited about it until i had to actually

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like touch it you know it says on their website that it fits most cases on

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summer fire modification yeah we tried a few cases and lots of

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them interfered with the top of these heat pipes and i think having your

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compatibility list account for people doing modifications to their case is

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kind of cheating because with a dremel theoretically anything is compatible

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with anything oh

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that looks awesome i mean

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by the time you hack a hole in your side panel it's

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probably not going to be the cleanest mod ever done but

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the potential's there well let's get occt running right this

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is a CPU stressing tool that will allow us to see

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just how well that heatsink can keep up with a 6700k

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hottest cores up at around 65 degrees

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right now it's not even hot to the touch yet

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there's just so much metal

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right up at the top of those heat pipes there but you can also really see what a

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great job heat pipes do of moving heat around it's not that much cooler at the

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very end of the heat pipe it's really even meanwhile over here you

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can see that with every load spike temperatures were peaking a little bit

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higher than before until now

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you know what probably happened the tiny bit of airflow from me moving the case

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around probably caused it to go down a little

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bit let's keep it still again it steadied at around 80 degrees on the

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hottest core which is not what we were expecting based on either inktext

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testing or steve from gamer's nexus's testing however we have observed that

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our CPU is only running at around 3.45 gigahertz so we're thinking maybe

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there's a biosetting that's not allowing it to run at full power let me go ahead

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and try that yeah we got turbo working and

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it can't do it we managed to thermal throttle within

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about two or three minutes but

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entec doesn't say you can do that and it's a pretty easy problem to solve if

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you want to just throw a big 200 millimeter fan on here but

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steve from gamer's nexus already did that we have other ideas

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okay not too much because remember this has some oh my gosh this feels really really

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really wrong what we're about to do right now

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all right oh okay

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all right i will lift it oh crap i'm stuck

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i'm snagged dog our power cable is cable tied

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lttstore.com baby get them cable ties okay

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okay oh this feels so wrong wait where are the CPU temp set

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uh oh it's thermal throttling right now okay

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here we go

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okay is it fine i mean

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theoretically it should be fine

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oh wow

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down to 74. now that's water cooling boys

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okay so we're at about 70 degrees i think we can do better

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okay phase one lift the computer uh i think

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getting on the table might be the best solution i think that this table is on

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wheels and that's

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it's still running okay um no yeah no you're not getting on the

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table alex you ready yep yeah go ahead lift it

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okay you're gonna have to have it for a little while though

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what's that

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not good did it power off firing back on

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hold hold i'm holding okay one second

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i just need to okay wait i just need to wait hold on i need

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to oh god

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all right there is

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ah there's water hold on you gotta put it over this one

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okay i got your second bucket here

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okay we you know what we've got a little bit of submersion but we're gonna have

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to add some more water i'm gonna start another render

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should be fine we're learning so many things today that

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will never be applicable to anyone else ever again

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small problem alex yeah i think i may have actually splashed the vrms over

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here when i rocked it back and forth can you see that

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yeah it's water okay well that might explain why it was

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crashing under load

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i'll put these in for fun while alex gets a bag of ice

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this is so cool you can see the very end of the heatsink

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is a little bit cooler and you can kind of see a halo of

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warmth around it in the water hey brandon check this out we were

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trying to stick a thermal probe in the water near the heatsink to kind of see

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how close these values are and it kept reading exactly the same as far away and

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what we realized is it takes such a small disruption to

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move these warm areas of water that you basically can't measure it by physically

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sticking something in watch this watch this okay i'm gonna blow on the surface of

00:13:27.519 --> 00:13:29.920
the water

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that cool wanna get a shot of the premium ice

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get the ingredients please

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all right just got it this bag's just gotta give birth here

00:13:53.760 --> 00:13:57.600
birth bag no i got this

00:13:59.040 --> 00:14:03.839
when this hits it are we gonna have a titanic failure

00:14:11.760 --> 00:14:17.839
you'll have to excuse me for not knowing how to use a bag of ice i don't

00:14:15.120 --> 00:14:17.839
entertain much

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i don't have any friends alex invited me to a super bowl viewing

00:14:21.920 --> 00:14:27.680
party once though that was kind of him yeah you brought your kids it was really

00:14:25.440 --> 00:14:33.920
cool okay so we're currently at 92 degrees

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celsius uh-huh

00:14:35.120 --> 00:14:39.279
oh okay

00:14:41.199 --> 00:14:47.519
there's uh there's four ice cubes stuck under the heatsink

00:14:45.519 --> 00:14:50.880
this is so stupid well look come on it's i don't make the

00:14:48.880 --> 00:14:57.199
rules around here brandon so that puts us at around 60 degrees

00:14:54.560 --> 00:14:59.920
but i think we can do better because as we've learned

00:14:58.560 --> 00:15:04.880
even just small differences in location or flow

00:15:03.040 --> 00:15:10.800
can make a big difference to the actual temperature so right up here it's like

00:15:07.519 --> 00:15:13.760
0.7 degrees and then you go you know

00:15:10.800 --> 00:15:17.199
what to eight to nine centimeters lower and you're at eight degrees

00:15:15.519 --> 00:15:21.440
if only there was a way that we could move the fluid around inside the

00:15:18.959 --> 00:15:27.040
container you think of everything don't you

00:15:24.240 --> 00:15:30.000
how fun is this okay let's add a pump

00:15:28.560 --> 00:15:35.440
this is a submersible pump do you want to go ahead and plug it in on the other side uh sure uh and i'm just gonna yolo

00:15:33.440 --> 00:15:38.639
it i guess right okay

00:15:36.639 --> 00:15:42.560
the power cable's only in there a bit should be fine i mean the pumps power

00:15:40.959 --> 00:15:45.360
cable is in there too what could go wrong

00:15:46.560 --> 00:15:51.120
okay that seems like a good spot oh that's

00:15:50.000 --> 00:15:57.040
chili it's a chili boy oh it's splashy oh it's really splashy

00:15:55.600 --> 00:16:01.120
alex hold on turn it back on turn it back on i'm trying to show the peeps

00:16:01.519 --> 00:16:06.560
uh yeah that's a little splashy for my

00:16:04.880 --> 00:16:12.079
liking uh i don't know let's find out

00:16:09.440 --> 00:16:17.199
maybe if it was just the right amount of splashy

00:16:14.639 --> 00:16:20.240
is it still blending it is but i think the temperature is

00:16:18.639 --> 00:16:24.480
like the same that kind of makes sense because it was coldest at the top no no no it's

00:16:22.959 --> 00:16:29.680
trending down look it's totally trending down

00:16:26.639 --> 00:16:30.720
and we're still at 4.37 you can totally

00:16:29.680 --> 00:16:36.040
see the water like touching the base of the

00:16:33.040 --> 00:16:36.040
heatsink

00:16:36.399 --> 00:16:42.959
settling in at 56 degrees on the package full load

00:16:40.880 --> 00:16:46.160
pretty practical right yeah for sure

00:16:44.160 --> 00:16:49.759
and you might get the opportunity to daily drive a cooling system like this

00:16:48.000 --> 00:16:55.040
because they're actually releasing a more gaming oriented i guess product it's

00:16:52.720 --> 00:16:59.360
based on a z490 chipset so um

00:16:57.040 --> 00:17:02.399
yeah and we could probably come up with

00:17:01.120 --> 00:17:05.760
something better for daily driving couldn't we i think we can we will we

00:17:04.480 --> 00:17:09.679
will i promise make sure you're subscribed and make sure you check out

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you guys enjoyed this video and you like Linus and alex crazy cooling projects

00:18:01.520 --> 00:18:08.799
maybe you'd enjoy the um why don't we do the 5 gigahertz uh blowy

00:18:06.320 --> 00:18:12.960
matron laptop overclock sure yeah go watch that it's a good video or when we

00:18:10.799 --> 00:18:18.480
tried to reuse thermal compound from inside a CPU

00:18:14.960 --> 00:18:18.480
no that wasn't a good video really