A part of this report was introduced in the December 2023 issue of our periodical, “Yano E plus.”

– Increase in Heat Dissipation in Electronic Devices and Expansion of Servers Have Made the Heat Dissipation Problem in Data Centers an Urgent Issue, and the Attention is Now Focused on Immersion Cooling Systems as a Trump Card –

1. Data Centers Where Heat Dissipation Problems are Reaching the Limits

2. What is an Immersion Cooling System?

3. Types of Immersion Cooling Systems

　3-1. Single-Phase Immersion Cooling System

1) Phase-Change Immersion Cooling Systems

4. Market Size of Immersion Cooling Systems

5. What Companies and Research Institutes Do

　5-1. HPC SYSTEMS Inc.

1) Situation of Data Centers and Various Cooling Methods

2) Efficiency of Liquid Cooling/Immersion Cooling

3) Liquid Cooling System: Rack-Level Cold Plate Cooling Solution

i. Supermicro Cold Plate

ii. Supermicro CDU

iii. Supermicro CDM with Leakproof Quick Connector

iv.. Supermicro Liquid Cooling Servers

4) Immersion Cooling 1: Single-Phase Immersion Cooling System

5) Immersion Cooling 2: Two-Phase Immersion Cooling System

  5-2. NTT DATA Japan Corporation

1) Background

2) Verification Details and Results

3) Verification Outcome

4) Future Efforts

  5-3. Taisei Corporation

  5-4. Nihon Form Service Co., Ltd.

1) Features of Immersion Cooling Systems

2) Immersion Cooling Systems of Nihon Form Service: “ICEraQ®”

3) Immersion Cooling Mechanism of “ICEraQ®”

4) Features of “ICEraQ®”

i. Power Saving

ii. Silent Operation

iii. Can be Installed Anywhere

iv. Safe Systems and Maintenance

6. Future Prospects