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John O | March 2019

New liquid cooling solutions for servers debut at Open Compute Project Summit


By Josh Perry, Editor
[email protected]

 

According to a report from DataCenterFrontier.com, liquid cooling companies Submer Immersion Cooling and ZutaCore debuted new technologies at the recent Open Compute Project Summit 2019 in San Jose, Calif.

 


The ZutaCore Enhanced Nucleation Evaporative (ENE) liquid cooling module. (ZutaCore)

 

Submer showcased its SmartPodX cooling enclosure for 19-inch servers as well as Open Compute Project (OCP) 21-inch rack standards. The article noted that the immersion cooling technology can cool extreme power densities and allows engineers to cool servers without air conditioner units or chillers. This is the fourth iteration of the cooling system and the company claims it can cool upwards of 100 kW per rack.

 

“Server immersion has typically been the domain of high-performance computing (HPC) and bitcoin mining operations, but the growth of AI workloads powered by GPUs and other specialized chips has pushed rack densities higher in data centers operated by hyperscalers,” the article noted.

 

The system works by submerging servers vertically in dielectric fluid. The enclosure can accommodate either rack size or a mix of the two, depending on the needs of the customer.

 

ZutaCore introduced a new version of its HyperCool2 liquid-to-the-chip technology, which directs Novec dielectric coolant to the processor itself through a piping system inside the server chassis. The article added, “ZutaCore uses two-phase cooling, in which heat from the chip is dissipated by interacting with a fluid, which is vaporized by the heat.”

 

The article continued, “ZutaCore’s cooling system consists of a server-kit that includes the Enhanced Nucleation Evaporative (ENE) module, a closed loop system that brings coolant to the processor, where it boils to remove the heat. The system also features a Smart-Refrigerant-Distribution Unit (S-RDU) and Smart-Heat-Rejection Unit (S-HRU), and a software package to manage the system.”

 

Read the full report at https://datacenterfrontier.com/submer-zutacore-debut-liquid-cooling-tech-at-open-compute-summit.

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