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Happy birthday, V. Here's my present.

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Previously on LT, I showed you guys this incredible $30,000 CPU cooler that is

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designed for one reason and one reason only, to chase PC performance records.

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But while you guys might have expected me to turn a CPU blue, instead it was

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your balls >> because I teased it, but never actually

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hooked it up to any hardware. Well, that changes today. And our goal is simple.

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Break a world record. And overclocking

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legend Charles Fuggerworth here gave me his personal guarantee that we will do

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it. So, uh, what are we waiting for? Well, we got to prep the motherboard. We

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got to insulate the socket. We got to update the BIOS. We got to upgrade the

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VGA BIOS. We got to install the Windows. We got to tune the Windows. And we got

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to prep the uh VGA driver. >> And uh, we got to get some power cords.

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Oh. Oh. Oh, no. We got those. We got the power cords. Um, we've got seven

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circuits to work with. >> Just seven? >> Wait, is that not enough?

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>> I think seven will work. >> Okay. As for the rest of it, well, um,

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it's a good thing we've got the whole day booked for this. And we've got the next 20 seconds booked for our sponsor,

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Delete Me. They can take back your private information from the hands of

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bad acting data brokers who might be selling it to the highest bidder online.

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Learn more by clicking our link in the description and you can save 20%.

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Before

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we can begin, one of the key enemies of sub-zero overclocking is condensation.

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See, the air around us is full of moisture, and it will gather on any cold

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surface, turn to liquid, and drip all over your sensitive electronics. Now,

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there are a number of different ways of approaching this problem. The board I'm

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holding in my hand uses a very similar approach to what you guys saw recently

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when we were chasing world records with our RTX 5090 Astral. You basically take

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Plasti Dip, suck it up into a syringe, and drip it all over the sensitive

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components, being sure to keep it away from any contact pins, say in PCI

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Express sockets or in your power plugs. Next, you find a high quality neoprene

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like closed cell foam, cut it up into nice little shapes, and fill in any big

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gaps. Of course, that's a ton of work. Makes your board super ugly. And in the

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event that anything goes wrong, Asus certainly isn't taking this back for an

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RMA. So, Charles has a technique that he likes better, and it's to use nothing.

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>> Absolutely not. I just use a kingpin socket heater.

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>> Oh, so that goes on the back here. >> Yeah, it goes on the back of the board.

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It's a couple hundred watts heating element. >> So, counterintuitively, you're heating

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the CPU area. >> Correct. Correct. Correct. It it prevents uh moisture from uh building up

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on the back side of the board. >> Okay. And then what about the front? >> Um I use a little bit of uh insulation.

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Oh, >> just neoprene. >> Just kind of like this. >> Yeah, just a little bit of neoprene. No

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>> glue or anything. >> No, no, no heat. And then I use a WD40.

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Uh WD40 specialist. >> Shut up. >> No, >> you put WD40 in your CPU socket.

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>> I spray it directly in the socket and I I fill the socket and I can actually

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fire the system up with the socket wet. >> Now, you told me that you thought a

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manufacturer like wouldn't be able to tell you'd put that in there. Is that

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true? >> Correct. It's undetectable. Completely undetectable. Um,

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>> that's a tech tip. Little bit of RMA fraud tips. We're not actually

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advocating for that. >> Oh, you need your board clean.

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>> We're actually going to be using the first board today, though. And it looks great. Like, we could probably run

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Subzero for hours, days at a time on

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this. But there is one small problem. Um, Noctua probably doesn't make a

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secuer mounting bracket for your Cascade chiller. So, how do we get the thing on

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the thing? >> I make my own custom 3D printed brackets. Um, these are for different

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sockets. Um, that's for X299. >> Oh, cool. Okay.

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>> And this is for AMD, AM5, AM4. >> Oh, cool. Hey, got the Extreme Systems

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logo on there. >> Yeah. >> Now, it looks like you're using Oh,

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crap. >> Nylon. >> It's the Oh, >> that's the HP Multijet Fusion.

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>> Wow. It feel You can't break it. >> Feels great.

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>> It's the HP Multijet Fusion 4200. Like I I don't think I could break this.

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>> No. >> Just in case I ever have to swap it. Can you show me how to do it? You said you

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wanted a screw. >> Yeah. Yeah. >> So, just just pull it back a little bit.

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Expose the O-ring. >> Uhhuh. >> Pull the O-ring. >> And I just give it the old Ow. I stabbed

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myself. Well, we're off to a good start today. Okay, there we go. Okay, O-ring's

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off. And that's that. Zip tie engineering.

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Now, have you ever shown anyone what's inside this evap head?

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>> Uh, 20 years ago. >> Super cool. And can you can you kind of

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describe it for us? Like is it a maze style or like like what are >> this is this is a spiral evapor. This is

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this is the prototype spiral evaporator. This is the first one I ever made. >> What's better about the newer ones?

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>> The newer ones are a thinner material. Um so better the faster heat transfer.

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>> Now if I wanted to swap it out for AMD then do you want to show us what that

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would look like? >> This is a mounting plate. >> Yeah.

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>> Goes into the adapter. >> Just goes right on.

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>> Goes on like that. >> Install the O-ring. Oh, that's actually

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shockingly elegant. Now, are these O-rings on one time use? Did you just

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>> No, no, no. They're they're multi-time use, but I got a lot of them. >> Oh, I see. Okay. You were just worried I

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was going to ruin it. >> Yes, I was being honest. I've watched your videos.

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>> Why is it Why does he have the sickest burns >> for the coldest machine?

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>> Yeah. Now, is there a reason that we're going Intel today? Specifically, the

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285K. >> The 285K um is great for the benchmark

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that we're going to run. An NPU boost is extremely strong in the benchmark.

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>> Last question for you. Did you choose nylon for its ruggedness or for its

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insulating properties or both? >> Both. I went with a PLA at first and the

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PLA broke right off the bat. >> Before I put this on, maybe dumb question, but how flexible is this?

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>> Um, okay. The hose itself, this part is

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flexible. That part is not. >> Okay. So, is everything I'm doing okay?

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Okay. Yep.

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Okay. Oh, great. We don't even have any thermal compound. But here's the thing,

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you can't use just any thermal compound. What would you go with?

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>> Probably some thermal grizzly cryionut. >> And the reason for that is that certain

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thermal compounds might perform great at

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ambient temperature or hot, like uh liquid metal, for instance, highly

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thermally conductive. But here's the thing. We're not going to be at room

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temperature. We're going to be way below. And that liquid metal would become solid metal.

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Not too great. >> Also, liquid metal is a bit messy. You're not into the mess.

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>> No, not at all, actually. >> Yeah. I guess you do this for enough years, you just you become not into the

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mess. And it just goes on like this. >> Okay, hold on one more second here. We got one more piece. I got a new piece

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got new piece of neoprene here. >> Right. For around the bottom here.

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>> Correct. Correct. I need to cut it. So, it needs to clear the memory slots cuz

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these are dual channel or dual dim board. >> Oh, sure. And then that just goes on

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there a little something like that. >> Once you get to there, then we'll bring it down another about a centimeter.

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>> About a centimeter. Okay. Now, it's funny. You were making fun of me the

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other day for using a rando mixture of imperial metric units, but I just heard

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you use a centimeter. >> Well, it was less than an inch, so I had to use something else.

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>> You're measuring things like a Canadian now, boys. >> Well, I'm in Canada.

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>> And what's special about this particular Viper kit? >> That's the new ultra set from uh

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Patriot. That's the uh 6000 C28. >> So, just super tight latencies and and

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good rated speed. >> Correct. With CPUs, you know, you guys

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would take the time and you would hand bin. But in the case of memory, do you

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basically trust that the top kits from someone like a Patriot are already

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binned enough or do you bend those further? >> We bend them further.

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>> Okay. So, this is a particularly nice kit of this. >> Correct. Super bend. God bend.

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>> The last thing we're going to need before we can fire up our bench is a GPU. Now, we're not going to need RTX

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5090 performance for the first record we're chasing because it's solely

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concerned with CPU benchmarks, but it's here already anyway. It's sub-zero

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prepped with plasti dip all over it, not to mention paper towel, and it's hooked

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up to Bruce Chillis, our industrial

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chiller, which we don't have to run at sub-zero speed, so we're probably just

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going to run it at, you know, 10 20 C for starters. Let's get this on here.

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Now that the bench is together, it's time to fire up the chiller. But there's

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a specific launch sequence starting with the first phase. If you haven't seen

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part one, this is a cascade system that essentially uses a refrigeration system

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to cool a refrigeration system to cool a

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third refrigeration system in order to reach ungodly low temperatures. We're

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expecting 90 Celsius on our CPU. Rock

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freaking solid. But we can't just turn

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on the compressors willy-nilly. We've got to turn on the first phase first,

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which is the bottom one. Correct. Neat.

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Because Charles actually legitimately doesn't know how much power it draws.

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This will be fun for both of us. We got a few kilowatts and we're going to hook

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them all up in line with Here we go.

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Power. Ah, it's alive.

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>> Well, what do we got? What do we got? >> Oh, 116.7 volts. One sec. 941 941 watt

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>> just a few. >> So, you can see why Intel's recent woes

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around power consumption of their chips doesn't bother him. His cooler a third

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of it >> draws 1,000 W. Now that the first two

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phases are kind of settled in, they're at 700 750 W each. But we haven't even

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added the third phase yet. >> I can't read it. What does it say?

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>> It said 250. Oh, that's not bad. >> And then it jumped to 1100.

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>> That's That's a lot more more. And now we're settling in around the same. Now

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we know how much power it consumes. Now let's see how much power it can make. Oh

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wow, we're already at 13 below 17 20. I

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guess we can turn on the computer. Hey, Charles actually brought up an overclocking buddy of his. They're a

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member of the same team. This is Max at is actually his memory that we're

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borrowing. >> Yeah. And board. >> So do you want to tell us what you're changing? >> We're going to change the performance

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preferences from the Intel default settings to the ASUS advanced OC

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profile. Little multi-core enhancement. We are going to enable and remove all

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the limits. We're going to set manual for our AI overclock tuner.

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>> NPU boost level three DRM timing control. The Apex has a lot of nice

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useful profiles. You have 9 Gear 4 for

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the 24 gig sticks. >> Oh, cool. >> 9,000 for the 16 gig sticks and the 24

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gig sticks. So, we're going to run 9,000 on the 24 gig sticks and just leave it.

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>> You don't even have to like tune any of the sub timings or any of that crap.

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They just did all the work for us. >> Yep. Make it really easy. Now, is that something that you would find on

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anything other than like, you know, an Apex, like a top tier board?

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>> Um, I think the lower end boards do have some features. >> The Stricks does have that. The Stricks

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has that as well. Very. >> They aren't as aggressive. I I don't think you're going to be running 9,000

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on a, you know, Ford D. >> Cash is uh 49.

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>> 49. Seems high, but >> you want to go 48? That's fine.

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>> All right. We'll go 48 for the start. We'll take it at 48.

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>> Hacking the main frame. >> So, the D2D ratio is the interconnect.

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Uh, Aerake is a chiplet design. So you

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have your SOC on here, your memory controller is I think on there too.

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>> And if we cared about onboard GPU performance, for instance, maybe we'd

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care about that or >> Yeah, it increases performance across the board. Uh memory memory bandwidth at

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really high speeds with like no NPU boost on this,

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>> right? The IMC is on a separate chiplet, isn't it?

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>> Latency is a kind of an issue. >> Intel, it's okay. You'll get them next

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time, boys. >> It's a very strange design. It's a effectively a monolithic CPU that is

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chiplet on a single die. So, we're going to change our Vcore to 1.35 volts.

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That's all we need. Huh. >> You tend to not need as much voltage as you would uh the colder you go, but it

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really is dependent on the chips. There's a leakage factor, which is how much power these chips draw. And

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typically, a higher leakage chip will require less voltage and will scale

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better with temperature. >> Ironically, the leaky chips are not

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necessarily the ones that Intel wants for the chips that going to ship to

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consumers. Uh they tend to not be as efficient when you're operating them

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normally. And then we're going to change it to from regulation mode, which is using the

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uh DLVR on the CPU. >> So the VRM will output a higher voltage

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to the CPU and the CPU steps it down. We're going to bypass that with power

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gate mode. >> Got it. So we're just going to let our board do the work because we know that

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we have an outstanding board that's going to deliver nice stable power. >> Yep.

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>> Something we'd never recommend that you actually do for real world performance,

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but if you're just trying to chase the highest possible number, >> it is very fun. Once we're done running

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PC Mark 7, it'll have the the screen up with the with the result.

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>> We're going to open up four copies of the CPU ID. Yep. >> We're going to set up four boxes. We're

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going to set up the CPU, the motherboard, the memory tabs.

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>> Okay. >> And then we're going to do a screenshot. And then we're going to have a world

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record for you. >> That That easy. >> That easy.

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>> You got to be kidding me. >> Well, we got to save the result. >> I

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All right, here we go. PC Mark 7. Let's go, boys. Wait, before we actually do

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the run, I mean, can can we can we just put it under load and and see how stable

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the temperatures are? >> Okay, sure. >> Okay. W prime. >> Yep.

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>> Okay. >> Are we at 64.4? >> Yeah. Okay. >> It's a very popular older benchmark.

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>> Wait, >> we got >> Did that run? >> Yeah.

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>> It didn't even move. >> That is crazy. It's gone up a degree and

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a half. >> And so my expansion valve will kick in and it'll compensate for the load

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balance out now. >> That is so cool. And we're going the

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other way now in temperature. Look at this. >> That's the wrong way.

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>> He's right. We're going back. We're going back down. We went from negative

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104. 4 to like.5.6

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back to 0.5. Still >> it'll fluctuate a little bit. >> We're within like

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three.5. Yeah. But with the EC cores on and

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running around uh 5.8 or 5.7, we might

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have like a 2°ree fluctuation. And that's with a 285K with the Raptor Lake.

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We might have like a four degree, >> right? She's on the Intel team, but you

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know, if we're being honest, she was a hungry boy.

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>> So, we're just finishing up and we're at our coldest temperature yet. >> So, we're pretty damn stable if we're

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able to run like a stability test right now. >> Yeah. So, this is a thermal expansion

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valve right here. And this thermal expansion valve responds under load.

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>> So, now it'll go back down in temperature again as we're we have no load,

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>> right? Okay. But then it'll go, "Oh, hold on a second. We're good. I don't

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need all of this extra coolant and it'll back it off.

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>> Yeah, >> because there's nothing you can do about the temperature of the refrigerant,

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right? It's within reason, right? You're not going

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to run your compressors at like a variable load. This is not a

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sophisticated, you know, modern heat pump or air conditioning system. These

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are these are running at a at a fixed speed. So, what you would do then to

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achieve this kind of temperature control is you're adjusting the flow rate

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through the evaporator head. So, it's the that my understanding is the

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temperature of the refrigerant should be basically the sameish.

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>> Correct. >> But we just juice it way more when we

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need more cooling. >> Right. It opens up the valve more.

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>> Cool. Are we ready to do the run or did you guys need to go double check

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something? >> No. No. We're all good to go. We just got to press the go button. >> Yeah. You can uh really see how much he

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runs benchmarks. >> That is that the current world? >> Yep, that is.

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>> Do you ever run actual video games? >> Yeah. Oh, okay. I mean, some people get

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they get so into the benchmarking they don't actually game. What's your game

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right now? >> Well, I just finished up Battlefield 4 as Riker Recker. Sorry.

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>> He's still working his way through his backlog. >> Yeah. >> Okay. >> Okay. So, we're going to go click the go

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button. >> All right. I click go. I mean, we're all on the same page that just because I

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click go doesn't mean I set the record. Like this is >> No, no, no. You click go, you set the

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world record. >> Yeah. I really don't think that's how it works. >> That's how it works. >> I really I set the rules. That's how it

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works. >> How long does this take to run? So this is 15 20 minutes. But actually what's

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hard about this for the L&2 guys is the duration of this benchmark and pouring

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and keeping this thing under a consistent load. As to where the Cascade

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can keep this under a very consistent load for a very long duration in case

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you have to rerun it and rerun it again and rerun it again.

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>> Um the Cascade you can just rerun this thing all day long and have it, you know, consistent runs every single time.

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So it's going to be extremely hard to catch your score. >> Right. Got it.

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>> It's going to be extremely hard. >> My score. You're going to be on the world record rankings for a long time

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>> and let the other guys chase you down. Good luck.

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>> We didn't get it on the first run. >> That's his fault. >> Can you stop assigning blame to everyone

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around here? >> Hey, he told me what settings to put in. >> He did do that. >> But you had the RAM set up, though.

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>> That's weird. That's not memory. >> That could be that could be memory.

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>> That is CPU. I know for that CPU. We'll need a minute.

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>> Now, you guys tuned one more thing. This is our third run. What did you guys

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change? Uh, the NPU boost. I dropped it down. >> But we're still at 9,000 mega transfers

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on the memory. >> I think about there. It's got to be 15,7.

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>> So, it'll take two runs. >> So close.

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We're so close. >> We got this.

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>> Okay, we got this. We got this. >> Graphics 315. We just need to bring up

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our GPU just a little bit. >> Oh, yeah. We could do that. >> Just bring up our GPU a little bit and

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we're we're there. >> And now we play the waiting game. Here

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we are. Our run number two. Well, three, but who's counting?

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>> Oh. >> Oh, no. >> Oh, this data file corruption. >> Yeah.

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>> Seriously, we made it this far and then it's upset that it doesn't know the CPU

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name. Third times a charm. >> This is a third run, right? Sure. I

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mean, it's movie magic. It can be whatever run you want it to be. >> If you edit it, it could be the first.

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>> All right. >> Oh, we went down. >> How do we go down?

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>> Our frames per second to go up. You didn't put any GPU clock on it, man. Oh,

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cuz I reboot I rebooted. >> One moment, please.

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Time to get the results from our second attempt.

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>> Movie magic, right? >> The same error again.

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>> Get CPU name. Big moment.

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>> First run.

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>> Next plan. We're going to try and adjust the cache speed a little bit. Maybe try

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to tune the CPU speed up a little bit. >> We got second place again, but not quite

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first place. What do you think's up? >> Well, if we look at the GPU Z tab here,

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we have our 59. Is it 6x? It says it's at 16x, right? Gen 5

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>> running it, >> but it's actually 8x. The um SSD is in

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the wrong slot. I had it in the correct slot earlier. I don't know if somebody moved it or not.

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>> It got pulled and put back in at one point. >> Mine isn't here, so we'll blame him.

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>> I'm pretty sure we have it on video that it was him. >> Okay, then let's move that over and

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let's try again. >> Whoa, whoa, whoa, whoa, whoa.

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>> Whoa, whoa. You guys blamed me for putting in the S. I didn't put in the

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SSD. Yeah, because you moved the 5090. >> I actually I actually know who put it

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in. >> Oh, who? >> Unlike you guys.

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>> It was not me. >> I'm not a filthy rat, so I would never

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rat. Do Wait, do you do you have footage of who put it in? >> No, I I don't. Maybe. Editor, roll the

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clip if there is one. >> Oh. Oh my god.

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>> Seriously? Well, fortunately, it's only our first

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run. In case you're curious about the finer details, we juice the CPU clocks a

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little bit, juiced the cache, and this this is going to be it.

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>> Ninth >> run. First try. >> Yeah, first try.

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>> Man, it's going to be cool when we nail this. >> We got this >> on the first try.

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>> Oh my god, it's so close. >> So close. >> Th00and watt BIOS,

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>> huh? >> I think so. I think that will do it. >> On the next first try, we're going to

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nail it. >> On the next first try. >> Hey, there it is.

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>> Nice. First place. Good job. >> Taiwan number one. It's

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>> only first time. >> You got a world record. >> The bad news is this took all day. So, I

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guess we're not going to get to 3D Mark today. But hey, this is staying here.

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00:19:45,520 --> 00:19:51,440
So, you can expect to see plenty of shenanigans. Make sure you absolutely

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00:19:49,360 --> 00:19:57,520
pound that subscribe button. Like, I'm talking a hole in your TV or monitor so

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00:19:54,960 --> 00:20:01,120
you don't miss any of the future Subzero updates with Charles coming up here in

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00:19:58,960 --> 00:20:04,640
the future to build a singlephase. Uh, and also just I don't know, man. Elijah,

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00:20:03,600 --> 00:20:10,160
we're gonna have to play with this thing like lots. >> Sounds good to me. >> Just like I'm gonna play with our

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00:20:08,720 --> 00:20:14,720
sponsor. >> It's weird, right? >> Yeah.

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00:20:11,919 --> 00:20:18,080
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plan that fits your needs. If you guys enjoyed this video, maybe go check out

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00:21:06,159 --> 00:21:12,240
part one where we unboxed what I am calling the beast, which it turns out,

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00:21:10,799 --> 00:21:18,480
isn't that exactly what like you call it? >> Yes. >> Cool. We both named it the same thing,

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00:21:16,159 --> 00:21:20,640
>> ironically. Yeah. Good job on the world record.