What is Immersion Cooling?

Immersion cooling refers to the process of immersing servers, GPUs, ASICs, and other IT hardware in a non-conductive fluid. The fluid is a far more effective cooling medium than air and so higher efficiencies are achievable. Two-phase immersion cooling is similar but the fluid boils on the hot components.

Two-phase Immersion cooling

Servers or other IT components are submerged in a thermally conductive dielectric liquid or coolant. Heat is removed from the system by circulating the liquid into direct contact with hot components, whereby the liquid undergoes a low-temperature evaporation process to cool the hot components and transfer the heat out of the liquid. The gas is cooled again by a heat exchanging method (such as a condenser coil) to allow return flow into the larger liquid volume

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Single-phase Immersion cooling

Servers or other IT components are submerged in a thermally conductive dielectric liquid or coolant. The coolant never changes state, it never boils or freezes and always remains in a liquid form. The coolant gets pumped to a heat exchanger where heat is transferred to a cooler water circuit. This technique uses “open baths”, as there’s little (or no) risk of the coolant evaporating. Single Phase is an older technology and 44% less effective as Two-Phase.

How can immersion cooling help your business?

Immersion cooling helps your company by:
 

  • Reducing Cooling Costs by up to 98%

  • Eliminating Fan and Power Supply Replacement

  • 95% Reduction in IT Footprint

  • 16x Increased Density

  • Up to 30% CAPEX Savings

  • 15% Carbon Footprint Reduction

  • Minimize Downtime

  • Maximize Reliability

  • Decrease Staff up to 75%

  • Overclocking to Increase Performance​

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