WEBVTT 00:00:00.199 --> 00:00:07.600 while I could water cool my computer with one of these when I found out that 00:00:04.480 --> 00:00:11.639 a local data center was just throwing 00:00:07.600 --> 00:00:14.639 away this UNIF flare inro acrc 100 00:00:11.639 --> 00:00:18.480 server cooler I knew what had to be done 00:00:14.639 --> 00:00:22.880 we're at 500 WS 995 00:00:18.480 --> 00:00:25.320 Watts oh my God look at this it broke it 00:00:22.880 --> 00:00:30.000 just says zero Watts I didn't know how complicated it was going to be something 00:00:26.920 --> 00:00:31.679 tells me that a G14 PC water cooling 00:00:30.000 --> 00:00:37.040 fitting isn't going to exactly just thread into this bad boy but hey that's 00:00:34.360 --> 00:00:41.920 what friends are for right so let's drill into 00:00:38.920 --> 00:00:45.160 this and hope that we don't screw 00:00:41.920 --> 00:00:48.079 anything up oh just like I screwed up 00:00:45.160 --> 00:00:52.879 that segue to our sponsor cleaning the house can be a dangerous exercise last I 00:00:50.280 --> 00:00:57.079 used Robot Rock sa Max VR Tru which vacuums them up only one go he loves to 00:00:55.079 --> 00:01:00.359 clean so much it even clean itself good job Rocky 00:01:00.879 --> 00:01:07.439 wow look at this thing you can fit so 00:01:04.360 --> 00:01:09.960 much Radiator in this bad boy but the 00:01:07.439 --> 00:01:15.720 way that they're using it is not the way that you would expect this is a chilled 00:01:12.759 --> 00:01:21.119 water modular air conditioning unit that's right it is intended to cool the 00:01:18.280 --> 00:01:25.560 air in the data center rather than cooling the servers directly it's 00:01:23.240 --> 00:01:29.920 available in either a half rack that's the one we're looking at here or a full 00:01:27.680 --> 00:01:33.960 rack model and this older one disc continued in 2016 goes for about 00:01:34.000 --> 00:01:41.200 $6,500 and if you look there's all kinds of indicators that this is not your 00:01:39.320 --> 00:01:46.759 regular water cooling system for one thing it's got these drip trays all over 00:01:43.759 --> 00:01:48.960 the place and this insulation that seems 00:01:46.759 --> 00:01:54.280 to indicate that they are expecting this to collect a lot of condensation from 00:01:51.799 --> 00:02:00.399 the ambient air that's because this water in Supply pipe here is meant to 00:01:57.200 --> 00:02:04.200 take coolant that's as low as 7° 00:02:00.399 --> 00:02:07.000 C it's an air conditioner in the sense 00:02:04.200 --> 00:02:12.319 that it takes the hot air that is blown out of the servers on either side of it 00:02:09.360 --> 00:02:17.560 sucks it into the back pulls it through this radiator that's got super chilly 00:02:15.120 --> 00:02:22.519 water running through it and then blows it back out the front cooled to a 00:02:19.879 --> 00:02:28.599 reasonable temperature where it can be recycled into those server racks next 00:02:26.400 --> 00:02:32.080 to it the only problem is how do you get the water so cold 00:02:30.360 --> 00:02:36.440 there are a number of solutions to that you can use good old-fashioned 00:02:33.800 --> 00:02:42.159 Refrigeration evaporative cooling here in Canada we just Plum directly into the 00:02:39.040 --> 00:02:43.920 nearest Glacier but realistically we 00:02:42.159 --> 00:02:47.920 have a different goal and we're not going to worry about any of that wow D 00:02:45.879 --> 00:02:52.760 these ever look like finger jompers the problem is our cable is just so short 00:02:50.560 --> 00:02:55.920 but it's got all the slack yeah what are they doing causing me nothing but 00:02:54.239 --> 00:03:03.040 Discord right now I didn't get that joke oh slack 00:02:59.440 --> 00:03:07.440 Discord a got you what plug 00:03:03.040 --> 00:03:10.720 into oh wow she just fires up like that 00:03:07.440 --> 00:03:12.920 it feels great that does feel great oh 00:03:10.720 --> 00:03:19.200 there we go hey inro okay cool check this out check this out 530 L per second 00:03:15.599 --> 00:03:20.519 that's ply have password no oh this is 00:03:19.200 --> 00:03:24.280 why we have to look up resetting the password I see well I guess we're going 00:03:22.840 --> 00:03:27.920 to need to rip this off wear eye protection this time 00:03:36.200 --> 00:03:45.120 hey see you later buddy look at that take that lockpicking 00:03:42.120 --> 00:03:47.360 lawyer I'm kidding we have no beef great 00:03:45.120 --> 00:03:54.120 channel in order to reset the password we're going to need this seral to usba 00:03:50.200 --> 00:03:56.760 to USBC because modern laptops JK I use 00:03:54.120 --> 00:04:03.480 a framework I can totally use usba let's go boom investment disclosure also back 00:04:00.640 --> 00:04:08.959 here we've got some of the enterpris nature of this on full display we've got 00:04:05.799 --> 00:04:11.920 Network control and redundant power 00:04:08.959 --> 00:04:16.840 supplies press the reset button on the P back of the electrical 00:04:13.400 --> 00:04:19.320 panel okay immediately press enter 00:04:16.840 --> 00:04:21.959 repeatedly if necessary to display the username 00:04:23.280 --> 00:04:26.720 prompt hey 00:04:27.360 --> 00:04:34.240 username it's a me 00:04:30.919 --> 00:04:36.520 Mario no no please choose a regular I'm 00:04:34.240 --> 00:04:43.199 working on it I I think I pressed enter a lot of times and it's really confused 00:04:39.560 --> 00:04:46.800 boom we're in the main frame is hacked 00:04:43.199 --> 00:04:49.840 boys username what no I'm going to go 00:04:46.800 --> 00:04:54.960 admin admin that's great enter new 00:04:49.840 --> 00:04:58.160 administrator authentication phrase 00:04:54.960 --> 00:05:01.120 admin Tech tips oh my God I didn't 00:04:58.160 --> 00:05:07.680 successfully do it F do you want me to go get 00:05:03.880 --> 00:05:09.960 shot no no it's fine it's fine it's done 00:05:07.680 --> 00:05:15.039 bad authentication phrase I can't just put admin as the authentication phrase 00:05:12.039 --> 00:05:19.400 hey that's a good thing I know but I I 00:05:15.039 --> 00:05:24.039 don't care right now you know minimum 15 00:05:19.400 --> 00:05:28.720 characters this is really 00:05:24.039 --> 00:05:28.720 dumb oh my God 00:05:30.440 --> 00:05:37.840 can I just set it to full speed yeah try fan speed 00:05:34.720 --> 00:05:41.160 control man manual let's 00:05:37.840 --> 00:05:44.639 go oh here we 00:05:41.160 --> 00:05:44.639 go look at his 00:05:46.120 --> 00:05:52.199 shorts 1200 l a 00:05:49.720 --> 00:05:57.560 second and you want to replace these fans look at how I could barely hear you 00:05:55.039 --> 00:06:03.800 talking I'm we're yelling yeah I'm right next to you 134 like almost 14 1400 L 00:06:01.000 --> 00:06:09.360 that's the power of the whatever the this thing ISC 100 now of course it's 00:06:07.599 --> 00:06:13.560 not going to do basically anything with the side panels off these fans are going 00:06:11.199 --> 00:06:17.240 to pull the air from the point of least resistance which is right here so you 00:06:15.400 --> 00:06:20.960 got to put the side panels on you want it nice and sealed up here in fact I'm 00:06:19.360 --> 00:06:25.560 willing to bet that is one of the reasons these 00:06:22.880 --> 00:06:31.080 panels have this foam on the inside of them we've got caps on the secondary 00:06:28.639 --> 00:06:36.960 Supply and return right yeah so we don't got to deal with anything down there all 00:06:33.479 --> 00:06:40.039 we've got to deal with is this Supply 00:06:36.960 --> 00:06:42.400 and this return neither of which appears 00:06:40.039 --> 00:06:46.120 to be plumbed with any kind of threading standard that Justin was able to 00:06:44.319 --> 00:06:53.319 identify thankfully we've got 00:06:49.240 --> 00:06:55.680 this I've never brazed before oh sure 00:06:53.319 --> 00:07:00.160 that makes sense fun fact I've also never used a sawall before it's called a 00:06:58.280 --> 00:07:04.560 sawall cuz it saws 00:07:01.759 --> 00:07:08.319 all are you even trying this week that joke's actually from a Nicholas Cage 00:07:06.199 --> 00:07:13.240 movie that's not even a joke that's just why it's called that what's our level of 00:07:11.120 --> 00:07:19.039 concern about the metal shavings and the power supplies down there it's covered 00:07:15.000 --> 00:07:19.039 it's fine so what I just go for 00:07:23.319 --> 00:07:29.800 it hey uh Justin do you mind just putting a hand on this okay I actually 00:07:28.520 --> 00:07:34.160 don't want your hand right there there though yeah there's good uh yeah that's 00:07:34.759 --> 00:07:39.759 better wow I can see why burglars like 00:07:39.800 --> 00:07:46.479 these man how did I do that so smoothly the first time okay Justin you're up 00:07:45.080 --> 00:07:49.879 okay I'm trusting you don't take out my hands whoo whoa you should really hold 00:07:48.319 --> 00:07:56.479 them further away no I'm good I'm good he's he's cutting away from my hands 00:07:51.599 --> 00:07:56.479 it's fine it's not okay 00:08:00.120 --> 00:08:07.159 all right I feel less bad you had a bit of trouble getting it started too what's 00:08:03.360 --> 00:08:10.319 next we got some oh sick dang man that 00:08:07.159 --> 00:08:14.039 looks professional check this out Justin 00:08:10.319 --> 00:08:15.680 made G14 threaded endcap things that I 00:08:14.039 --> 00:08:18.720 guess we got at Home Depot or something what do I put these on though well on 00:08:17.560 --> 00:08:26.520 one of these but you're going to have to braze the other end on to those copper pipes first 00:08:21.759 --> 00:08:26.520 nice what could go wrong we got some of 00:08:26.639 --> 00:08:33.159 thiso all right so what you want to do is just it up until it starts to 00:08:30.759 --> 00:08:38.479 discolor get it nice and even and then push the solder into the joint oh yeah 00:08:35.000 --> 00:08:38.479 and it should look all the way around oh 00:08:41.599 --> 00:08:48.519 yeah oh yeah no no that's good that's supposed to 00:08:45.080 --> 00:08:51.240 happen oh God oh God oh 00:08:48.519 --> 00:08:58.440 God I mean yeah what's it even dripping on couldn't be that harmful looks great 00:08:54.959 --> 00:09:00.800 well very generous thank you but it 00:08:58.440 --> 00:09:03.920 looks on there okay I may not have put quite enough 00:09:02.120 --> 00:09:07.240 Teflon tape on this but I guess we're about to find out now it should just be 00:09:06.040 --> 00:09:13.519 like hooking it up to a computer regularly okay you know you've done that lots of times yeah what what is this uh 00:09:11.600 --> 00:09:19.279 this is for the pump is for these Edge these are the ones you want oh right we 00:09:16.079 --> 00:09:22.680 should show you our pump and uh 00:09:19.279 --> 00:09:24.399 okay sure so that kind of makes sense 00:09:22.680 --> 00:09:27.839 because with the size of the tubing and the volume of water that you're 00:09:26.079 --> 00:09:32.839 expecting to move through a system like this you need a ser ious pumping 00:09:30.240 --> 00:09:37.040 solution and these things because they have no idea what your deployment is 00:09:34.880 --> 00:09:43.000 going to look like don't have any pumping of their own wait so all that 00:09:39.480 --> 00:09:45.560 power supply is just for those fans man 00:09:43.000 --> 00:09:50.040 look at them though look at these fans now how Yu tastic are we expecting the 00:09:47.959 --> 00:09:54.760 water in this thing to be they should have been serviced regularly yeah but I 00:09:52.800 --> 00:09:58.640 think we all see the state of the inside of this with rust andw everywhere that's 00:09:57.279 --> 00:10:02.360 the inside of this not the inside of the pipes we'll see how bad the rat is so 00:10:00.880 --> 00:10:06.880 maybe for the start we don't actually put it through the computer we just circulate it and see what we get yeah 00:10:05.320 --> 00:10:12.640 that sounds good are the O-rings going to seal against this kind of rough 00:10:09.399 --> 00:10:14.600 thing oh we're going to use a 2 and2 mm 00:10:12.640 --> 00:10:20.600 hex key which is on there already turn the float control actuator to the fully 00:10:16.440 --> 00:10:24.480 open position and what's the fully open 00:10:20.600 --> 00:10:26.440 position the other way oh God ah maybe 00:10:24.480 --> 00:10:32.240 if someone hadn't gotten solder all over it oh God oh God she's turning on her 00:10:29.640 --> 00:10:37.079 own the screwdriver is going nice open the two-way supply valve and the two-way 00:10:34.160 --> 00:10:40.560 bypass shut off valve okay using a two and a half that's probably these guys so 00:10:38.720 --> 00:10:43.760 that's in a weird not open or closed state so open it there you go all right 00:10:42.320 --> 00:10:47.200 here we go pumpy let's turn our nice Prime pum Merson here there we go look 00:10:46.399 --> 00:10:52.680 at that that's pretty clean actually yeah 00:10:51.040 --> 00:10:55.720 right they did service it yeah you're not wrong so we'll get the air bubbles 00:10:54.560 --> 00:11:00.160 out let it go for a little while and then hook it up to a computer freaking a 00:10:57.760 --> 00:11:04.040 man okay now before before we do that I want to play around with these valves a 00:11:01.600 --> 00:11:07.600 little bit cuz I don't know I it's not that I don't believe you it's just that 00:11:05.760 --> 00:11:12.680 I think you're fullish me right now it's working so right but then I do this and 00:11:10.399 --> 00:11:16.760 it slows to a trickle and stops okay all right all right so that was open look 00:11:14.079 --> 00:11:22.680 we're we're learning okay we're learning together okay what's this boy what's 00:11:19.000 --> 00:11:25.200 this boy do this is a bypass to bypass 00:11:22.680 --> 00:11:30.360 the radiators there's no valve for the radiators but if for whatever reason you 00:11:27.680 --> 00:11:34.120 wanted to not run through the rack okay then you can bypass it here but we 00:11:32.120 --> 00:11:41.720 want this closed because we don't want it going straight from water in to water 00:11:37.639 --> 00:11:43.639 out there you go yeah okay that makes 00:11:41.720 --> 00:11:48.399 sense everything makes sense by the way it's leaking I think I understand why 00:11:45.639 --> 00:11:53.279 nobody else wanted them but boy do I ever want them this is awesome hey look 00:11:51.079 --> 00:12:00.279 at that magnetic Cable Management let's go LTT Store.com we're just we're just 00:11:56.600 --> 00:12:01.720 Plumbing it up to the top of the why not 00:12:00.279 --> 00:12:08.399 in this machine we've got a Threadripper Pro $79.95 WX this is a 96 core 00:12:06.720 --> 00:12:12.240 processor that'll suck back I think somewhere in the neighborhood of like 00:12:10.120 --> 00:12:18.079 freaking 400 watts or something stupid like that and and we've got an RTX 4090 00:12:16.040 --> 00:12:21.480 one of a little it bitty cute ones a more practical deployment for us since 00:12:19.920 --> 00:12:26.040 we're not going to have water blocked servers like this machine right here 00:12:23.839 --> 00:12:31.399 would be to just take the hot air in the server room use that hot air to heat up 00:12:29.279 --> 00:12:34.920 water then carry that air somewhere else and then dissipate the heat but for the 00:12:33.480 --> 00:12:40.079 purposes of just kind of showing you guys that it does work this will do us 00:12:37.600 --> 00:12:47.920 nicely do we have any zip ties mags oh my God that would totally 00:12:44.079 --> 00:12:50.959 maybe work Andrew so he there you go all 00:12:47.920 --> 00:12:53.360 right good enough magnets yeah just 00:12:50.959 --> 00:13:01.000 let's let's see let's see let it cook oh my God cook nothing it's running at 44° 00:12:57.760 --> 00:13:03.079 42° so we were going to go with 14900 K 00:13:01.000 --> 00:13:07.760 originally yeah but Jake figured that the uh IHS would be too small that's not 00:13:05.680 --> 00:13:13.560 going to tell us the full story because realistically something like this is 00:13:10.040 --> 00:13:17.000 about the sheer volume of heat that it 00:13:13.560 --> 00:13:18.880 can move right it's not about how well 00:13:17.000 --> 00:13:24.360 can it deal with a concentrated heat Source like this where to your point 00:13:21.560 --> 00:13:28.880 just the size of the Dy and the bottleneck of moving that heat away 00:13:26.480 --> 00:13:35.000 through the IHS is going to have more of an impact than the actual like cooling 00:13:31.920 --> 00:13:37.440 capacity of this giant unit here but in 00:13:35.000 --> 00:13:42.399 terms of if we were to hook like half a dozen computers up to this 00:13:39.839 --> 00:13:47.720 thing it should conceivably be able to do it 00:13:43.760 --> 00:13:49.959 whole office water cooling anyone did I 00:13:47.720 --> 00:13:54.040 mention already that we uh might have gotten a few of 00:13:55.440 --> 00:14:04.079 them now that this is running the only reasonable way to Benchmark it is to I 00:14:01.040 --> 00:14:06.959 don't know run it for an extremely long 00:14:04.079 --> 00:14:06.959 period of time and see 00:14:07.440 --> 00:14:15.560 if sorry I'm running 92 threads at Prime 95 this is amazing um and see if it 00:14:13.519 --> 00:14:21.600 heats up so we've got our little temperature graph on F Mark here that's 00:14:17.240 --> 00:14:23.360 at a solid 46 it's gone up 2° and I 00:14:21.600 --> 00:14:27.199 haven't even turned the fans on yet I have a feeling this is just going to be 00:14:24.959 --> 00:14:31.720 dead flat but let's go ahead we're going to get it fired up 00:14:29.519 --> 00:14:36.519 and it's quitting time so I'll see you guys on the 00:14:34.040 --> 00:14:41.720 tomorrow and good morning it's been about 14 hours and things are looking 00:14:38.959 --> 00:14:46.240 real good CPU usage still 100% from Prime 95 ferm Mark's doing this weird 00:14:44.160 --> 00:14:52.720 thing where it's kind of hitching for a long time sometimes but uh it's still 00:14:48.800 --> 00:14:54.279 using 93 to 99% power and you can see if 00:14:52.720 --> 00:14:58.040 I move the window around the the the render works properly 00:14:56.639 --> 00:15:01.320 so I don't know what the heck it's doing but really that's not what we care about 00:14:59.639 --> 00:15:06.759 we're looking at temps here we've reached a maximum of 00:15:03.399 --> 00:15:09.440 56° which means with one system on here 00:15:06.759 --> 00:15:13.440 we are still looking at coolant temperatures that are barely lukewarm to 00:15:12.079 --> 00:15:19.000 the touch that is fantastic water tastic the last thing 00:15:17.279 --> 00:15:22.519 I want to check is CPU temperatures which I'm expecting to be oh a little 00:15:20.839 --> 00:15:28.279 higher than this WOW 40° I mean sure these Threadripper 00:15:26.440 --> 00:15:32.759 chips yeah they kick out a lot of power but they're so big that like I was 00:15:30.519 --> 00:15:38.279 talking about before the size of the die isn't as much of a heat transfer 00:15:35.040 --> 00:15:40.399 bottleneck that is H that is 00:15:38.279 --> 00:15:46.399 fantastic H what kind of power is it drawing woo 350 Watts I was out 00:15:44.800 --> 00:15:51.040 yesterday when they were filming this crazy thing and being the person that 00:15:48.319 --> 00:15:55.560 sourced them I had to see it for myself except I found out that lonus didn't 00:15:52.399 --> 00:15:58.040 bother turning PBO on and I'm like the 00:15:55.560 --> 00:16:03.759 thread rippers could draw like a th000 Watts by clicking one button in the buos 00:16:00.920 --> 00:16:10.800 so we did that I think we start with cine yeah it's 00:16:07.600 --> 00:16:14.240 done it's drawing 800 00:16:10.800 --> 00:16:16.920 watts but let's try 2024 just for 00:16:14.240 --> 00:16:22.360 reference with PBO on on this CPU it idles at 150 watts doing 00:16:19.720 --> 00:16:25.519 nothing 450 600 00:16:23.920 --> 00:16:31.079 600 what I don't know how optimized this is 00:16:28.720 --> 00:16:37.120 May maybe it doesn't use like well okay I mean it's running at 00:16:33.319 --> 00:16:41.199 4.64 GHz on every single core it's 00:16:37.120 --> 00:16:44.560 estimating like an 8,000 Point score in 00:16:41.199 --> 00:16:46.880 2024 for reference a 32 core second gen 00:16:44.560 --> 00:16:52.240 Threadripper is 1,200 points this is the real test Prime 95 00:16:49.920 --> 00:17:01.160 smallest fft is hyperthreaded this has ABX 512 which means it is going to it is 00:16:56.199 --> 00:17:05.559 going to hurt we're at 500 wats 9 95 00:17:01.160 --> 00:17:08.160 Watts oh my God look at this it broke it 00:17:05.559 --> 00:17:12.319 just say zero watts in the BIOS we had set the enhancement to limit it to 90° 00:17:10.720 --> 00:17:17.720 so once it gets to that point it kind of starts throttling down a bit not to say 00:17:15.160 --> 00:17:22.919 that 1100 watts is really throttling down a bit 00:17:19.520 --> 00:17:24.559 but this is just actually ridiculous 00:17:22.919 --> 00:17:30.440 it's still not running at Peak airf flow we're definitely running into a situation where we're just limited by 00:17:27.520 --> 00:17:37.679 the thermal transfer Block in the IHS but it's uh the inlet temperature is 00:17:34.400 --> 00:17:41.559 20.7 De so we're not even 00:17:37.679 --> 00:17:44.360 like above ambient really at all and the 00:17:41.559 --> 00:17:48.679 fans are only running at it's like 900 L per second through this thing and it can 00:17:46.320 --> 00:17:53.120 do 1400 right so this is too much I don't know how 00:17:51.080 --> 00:17:58.799 many thread riers we' need to hook up to like make this hurt but I imagine it's a 00:17:55.720 --> 00:18:00.600 lot in conclusion then big fans very 00:17:58.799 --> 00:18:04.240 very effective for cooling see you at the next tech tip oh but not before I 00:18:02.320 --> 00:18:08.679 get some help with this mess from our sponsor oh no let's suck with Rob Rock 00:18:07.400 --> 00:18:13.600 whether it's that friend who 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00:18:53.840 heat out of the building