Immersion CoolingCOMPANIES / SOURCED DIRECTORY

Fujitsu

Launched the PRIMERGY Liquid Immersion Cooling System in 2018: immersion baths sold with PRIMERGY servers, holding up to 48 servers per bath.

Tank systems

Verified

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Facts

Source per value
Supply role The procurement layer supplied: tank systems, servers and integration, or dielectric fluids.
Tank systems 1
Cooling phase Documented immersion phase for the named offer. Both means the company sells single- and two-phase systems.
Not published
Named offer The named immersion product, system or fluid grade.
Fujitsu Server PRIMERGY Liquid Immersion Cooling System (launched Sept 2018) 1
Example system kW One published tank or system rating in kW for the named model. The rating basis gives its model, size and water conditions. Server TDP and CDU ratings stay out of this column.
Not published
Rating / selection basis The model and conditions behind the kW figure, or the key fluid properties for fluid suppliers.
Not published
Fluid Named dielectric fluid, fluid family or approved fluid list.
Not published
Hardware evidence Named server, GPU layout, form factor or validation platform.
Up to 48 servers per bath; PRIMERGY CX2550 M4, CX2560 M4, CX2570 M4 and RX2530 M4 1
Deployment / documentation A named deployment, joint validation or technical document.
Immersion-cooled x86 cluster for the Japan Automobile Research Institute (Oct 2017); cluster at IIT Delhi's biology and bioinformatics center 1

Sources

  1. Fujitsu launches liquid immersion cooling system (6 Sep 2018) accessed 2026-11-11
  2. Fujitsu provides liquid immersion x86 cluster to JARI (23 Oct 2017) accessed 2026-11-11
Build a comparison
  • Immersion4

    Immersion4 sells DTM (Dynamic Thermal Management), a modular immersion data center technology that scales from edge sites to full-size facilities. It targets operators that want water-free cooling and local, in-country data centers.

  • Midas Immersion Cooling

    Sells XCI immersion tanks from compact edge units through large enterprise tanks and mining systems.

  • Mitsubishi Heavy Industries

    MHI engineers immersion cooling systems and container data centers, including a 12-ft container with hybrid immersion and air cooling for edge sites. It built the system with KDDI and NEC Networks & System Integration.

  • TMGcore (Airedale by Modine)

    TMGcore's immersion technology now sits with Modine, which bought its IP and assets in January 2024, and is sold under the Airedale brand. The current offer is the EdgeBox 10, a compact immersion unit for high-density edge compute.

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