CoolIT's 4000W Coldplate Establishes Single-Phase Direct Liquid Cooling Technology Leadership
Friday, March 21, 2025
CALGARY, AB, March 13, 2025 /PRNewswire/ -- CoolIT Systems (CoolIT), the world's leader in liquid cooling for AI and high performance computing, is pleased to announce a 4000W-ready single-phase direct liquid cooling (DLC) coldplate - more than doubling the previously accepted limits of single-phase direct liquid cooling.
"CoolIT continues to lead the industry in performance. We are thrilled to show silicon leaders that single-phase DLC will continue to be a key enabling technology with demonstrated capability for up to 4000W processors," said Kamal Mostafavi, VP of Engineering. "Single-phase direct liquid cooling - known for being the most mature, reliable and scalable liquid cooling technology - is also more than capable of cooling ultra-high watt microprocessors for the foreseeable future."
Single-phase DLC works by removing heat from semiconductors with water or a water-glycol mixture running through coldplates attached to the chips. It is the most widely deployed liquid cooling technology in the market today(1) and the de facto liquid cooling standard for AI processors exceeding 1000W TDP(2).
In its tests, CoolIT showed its coldplate capturing 97%+ of heat from a 4000W thermal test vehicle (TTV) with a flow rate of 6 liters per minute (LPM). This is equivalent to 1.5 LPM per kW, the semiconductor industry's recommended flow rate for high-wattage chips. Tests at a lower flow rate also showed excellent results.
CoolIT's 4000W coldplates also achieve an outstanding ultra-low thermal resistance of Tr<0.009 C/W while limiting the full flow loop pressure drop (including all fittings and QDs) to just 8 PSI.
Used for multiple server generations by most of the world's major server manufacturers, CoolIT's coldplates with Split-Flow((TM)) technology delivers 30% better thermal and flow performance than standard coldplates with the added ability to provide targeted cooling to hot spots.
The 4000W test results prove that CoolIT's DLC technology is well-positioned to cool ultra-high-wattage semiconductors well into the future.
For more information and to download a technical brief, visit https://www.coolitsystems.com/technical-brief/
About CoolIT Systems
CoolIT Systems specializes in scalable liquid cooling solutions for the world's most demanding computing environments.
A 24-year pioneer in semiconductor liquid cooling, CoolIT's technology cools over 5 million GPUs and CPUs globally. CoolIT partners with global microprocessor and server leaders to develop the most efficient and reliable liquid cooling solutions for their leading-edge products.
Through its modular direct liquid cooling (DLC) technology, CoolIT enables dramatic increases in rack densities, component performance and power efficiencies. Together, CoolIT and its partners are leading the way for the widespread adoption of accelerated and advanced computing.
For more information about CoolIT Systems and its technology, visit https://www.coolitsystems.com/ and follow @CoolIT Systems on LinkedIn.
Sources:
¹ Dell'Oro Group. "Data Center Liquid Cooling Market Set to Go Mainstream and Top $15 B Over the Next Five Years." Published September 2024. https://www.delloro.com/news/ata-center-liquid-cooling-market-set-to-go-mainstream-and-top-15-b-over-the-next-five-years/
² NVIDIA. "Jensen Huang's GTC 2024 Keynote: Driving the Future of AI and Accelerated Computing." Published March 2024
https://blogs.nvidia.com/blog/2024-gtc-keynote/
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SOURCE CoolIT Systems Inc
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