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When off-the-shelf cooling cannot tame the world’s finest CPUs, it’s a must to begin considering exterior of the field. Chinese YouTube channel Geekerwan has puthe Ryzen Threadripper Pro 9995WX, a 96-core Zen 5 behemoth that prices virtually $12,000, to its limits with an eye-opening DIY cooling resolution. It contains a customized CNC-machined built-in warmth spreader (IHS), automotive-grade cooling elements, an industrial chiller, and a 37-gallon water tank.
IHS modifications aren’t new in {hardware} circles. We’ve beforehand seen the transformation applied on processors such because the Core i9-14900KS. However, the Ryzen Threadripper Pro 9995WX is a distinct beast in each sense of the phrase. The Zen 5 flagship workstation processor is not simply considerably bigger than a typical shopper chip; it additionally contains a extra advanced AMD chiplet design and requires further engineering effort.
The subsequent problem was to pick a microchannel sample. Straight microchannels are the business normal, however Geekerwan’s laptop simulations confirmed a greater design. Since the writer deliberate to make use of industrial elements for the cooling resolution, the liquid velocity and strain would logically exceed these of regular liquid coolers. By adopting wavy S-shaped microchannels, the warmth dissipation space can enhance considerably by as much as 20%.
Testing on the Ryzen Threadripper 1900X confirmed as much as a 1.2 levels Celsius enchancment between the standard straight and wavy microchannels. Getting the design from idea to actuality was grueling. It took 19 hours of CNC machining contained in the Taikan T-700S and the destruction of 14 fragile 0.3mm slicing instruments to get the Ryzen Threadripper Pro 9995WX prepared. The remaining outcome was a wonderful array of 100 fins of various lengths on the $12,000 processor’s IHS.
The water block additionally required cautious evaluation. The Ryzen Threadripper 1900X and Ryzen Threadripper Pro 9995WX do not share the identical design. The two CCDs within the Ryzen Threadripper Pro 9995WX sit on the chip’s far edges, in contrast to the CCDs within the Ryzen Threadripper 1900X that cluster within the middle. Due to the chiplet design and the die placement, Geekerwan wanted to rethink the water block’s design.
Rather than utilizing a standard dual-tube water block, Geekerwan examined another three-tube configuration on the Ryzen Threadripper 1900X: one central inlet feeding two facet shops, one on all sides. The design ensures equal warmth dissipation throughout the 2 CCDs. The outcomes had been spectacular, with temperatures dropping by as much as 5.1 levels Celsius in contrast with two-tube designs.
Geekerwan capitalized on the findings and added one further tube produce an modern four-tube design in a cross sample. Liquid flows by means of the 2 central inlets, that are straight over the 2 CCDs, absorbs warmth, and exits by means of the 2 facet shops. Powering the bold resolution are two 50W Bosch water pumps, one salvaged from a Mercedes and the opposite from a Geely. Meanwhile, an industrial chiller does the heavy lifting and cools the liquid to zero levels Celsius because the liquid flows by means of the loop and again to the 37-gallon reservoir.
Ryzen Threadripper Pro 9995WX Overclocking Benchmarks
| Header Cell – Column 0 |
5.3 GHz Overclock |
5.2 Overclock |
PBO |
|---|---|---|---|
|
Frequency |
5.325 GHz |
5.2 GHz |
4.7 GHz |
|
System Power Consumption |
1,634W |
1,552W |
951W |
|
Cinebench R23 Score |
205,332 |
194,300 |
174,137 |
|
Cinebench 2024 |
10,080 |
N/A |
N/A |
|
Cinebench 2026 |
41,478 |
N/A |
N/A |
Geekerwan overclocked the Ryzen Threadripper Pro 9995WX to five.325 GHz, drawing round 176W and idling at simply 5 levels Celsius. The liquid temperature was roughly two levels Celsius, so warmth switch from the 96-core chip to the water tank was extremely environment friendly. During the Cinebench 2024 and Cinebench 2026 runs, the processor consumed round 1,340W with core temperatures oscillating between 30 levels and 50 levels Celsius. The complete system was pulling a bit of over 1,700W.
The efficiency beneficial properties had been logically substantial. The Ryzen Threadripper Pro 9995WX at 5.3 GHz delivered as much as 18% larger multi-core efficiency than the inventory PBO setting, which had the cores operating at round 4.8 GHz. Against the worldwide overclocking leaderboards at HWBot, Geekerwan’s overclocked Ryzen Threadripper Pro 9995WX ranked seventh in Cinebench R23, a hairline behind a Ryzen Threadripper Pro 7995WX at 6.2 GHz under liquid nitrogen. In Cinebench 2024 and Cinebench 2026, the Zen 5 chip came in third and second places, respectively, and trailed a Ryzen Threadripper Pro 9995WX at 5.7 GHz and an Xeon 698X at 4.9 GHz.
Geekerwan’s project shows that you don’t always need exotic liquid helium or liquid hydrogen cooling to chase world records. Sometimes, a little bit of ingenuity and engineering can go a long way. But for those of us who lack access to either, we can always look forward to next-generation AIO liquid coolers, such as Cooler Master’s 360² (360 x 360mm), which claims to dissipate up to 2,000W of heat.
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