NVIDIA GeForce RTX 4090 Has Allegedly Been Liquid Cooled to 20°C Using a Household Air Conditioner, and a RTX 5090 Is Next

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The GeForce RTX 4090, a flagship GPU for gamers, creators, and developers based on the “Ada” architecture that NVIDIA launched for $1,599 in October 2022, can be cooled rather effectively with a household air conditioner, according to a new video shared by a Chinese content creator that remains available to watch on China’s Bilibili platform.

“The video creator, oddly named ‘Electrolytic sodium carbonate’ (ESC), showcases a rather normal-looking PC tower – but next to it, there is a 12,000 BTU air conditioning unit to supercharge cooling,” one outlet has wrote of the experiment, which involved a PC with a GeForce RTX 4090 and a Core i9-13900K, one of Intel’s flagship “Raptor Lake” CPUs. “The result is that the GPU runs at just 20 degrees Celsius under stress testing.”

A separate project—a “whole house” liquid cooling system that appears to have five loops, as well as a Xiaomi KFR-35GW air conditioner that offers 12,000 BTU cooling power in a 765 x 268 x 550 mm size, arealso shown off in the video, a few screenshots of which can be found below:

“Genius, this is the ultimate solution for computer cooling. After all, the cooling efficiency of air cooling and water cooling will eventually be limited by the room temperature,” reads a positive response from one viewer. “If there is such a product in the future, I will definitely install one.”

“I recommend using this, it works great,” responded another before posting a photo of a jet engine.

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Brian_B
Brian_B 👍 3

I'm kinda surprised Z didn't just go straight to a split duct unit AC for his overkill build like this.

Peter_Brosdahl
Peter_Brosdahl 👍 2

I've long thought about doing something like this. It's a bit overkill though for most of us but still fun to think about. I'm not kidding that everytime I walk by one of those cheap desktop minifridges at Walmart that I wonder about somehow adapting the compressor to a LC setup.

Skillz
Skillz 👍 3

"Peter_Brosdahl, post: 94003, member: 87" wrote:

I've long thought about doing something like this. It's a bit overkill though for most of us but still fun to think about. I'm not kidding that everytime I walk by one of those cheap desktop minifridges at Walmart that I wonder about somehow adapting the compressor to a LC setup.


You will burn up the compressor in those real quick.

They make 4U rack-mounted water chillers that do what you want. They're purpose built for it so it wont burn the compressors up on them.

Brian_B
Brian_B 👍 1

"LeRoy_Blanchard, post: 94005, member: 137" wrote:

You will burn up the compressor in those real quick.



They make 4U rack-mounted water chillers that do what you want. They're purpose built for it so it wont burn the compressors up on them.


Yeah but they cost $$$$ whereas I can get those fridges for about $20 each in June when the local college kids are moving out of their dorms.

Skillz
Skillz 👍 1

"Brian_B, post: 94013, member: 96" wrote:

Yeah but they cost $$$$ whereas I can get those fridges for about $20 each in June when the local college kids are moving out of their dorms.

You'll be buying them every year to replace a burned compressor.

m
magoo 👍 1

This aint new. There are guys in Australia that have run their loops into underground vaults because the ambient is 50F.
Using an AC unit is certainly unique though.

Brian_B
Brian_B 👍 2

"LeRoy_Blanchard, post: 94014, member: 137" wrote:

You'll be buying them every year to replace a burned compressor.


The great thing about college students is they keep coming back

Denpepe
Denpepe 👍 1

It's a bit more sophisticated than wat J2C did and more performant, but jank has it charms too

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