Cooler Master

Taiwanese thermal maker, named by TrendForce as a leading GB200 cold plate and manifold supplier. It sells CDUs from a 25 kW liquid-to-air unit to a 2.5 MW in-row liquid-to-liquid CDU.

CDU, Cold plate, Liquid-to-air CDU, Manifolds HQ Taipei, Taiwan Checked 9 Nov 2026

Smallest CDU: 25 kW Cooler Master 25 kW liquid-to-air CDU, 9 Nov 2026
Largest CDU: 2,500 kW Cooler Master 2.5 MW in-row CDU, 9 Nov 2026

Rating conditions

2.5 MW CDU: 2,500 kW max @ 5°C ATD, 3,750 LPM (1,500 kW nominal @ 4°C). 1,400 kW CDU: 1,400 kW @ 5°C ATD. 25 kW L2A: 20U with radiator.

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Datasheet

Source on every value

Technologies Liquid cooling product types the vendor sells today. 'Liquid-to-air CDU' is a sidecar unit or heat dissipation unit that needs no facility water. 'Two-phase cold plate' boils a refrigerant or dielectric on the chip.: CDU, Cold plate, Liquid-to-air CDU, Manifolds 1
Smallest CDU kW Rated cooling capacity of the smallest shipping CDU in the line, as the vendor publishes it. Rating conditions (approach temperature, fluid) are in the spec notes. Blank when not published.: 25 3
Largest CDU kW Rated cooling capacity of the largest shipping CDU, as the vendor publishes it. Prototypes and announced-only units are left out and named in the spec notes. Blank when not published.: 2,500 1
GPU platforms (vendor-stated) GPU or rack platforms the vendor itself names as supported, certified or targeted, such as NVIDIA GB200 NVL72 or Vera Rubin. Vendor statements only, each with a source. Blank when the vendor names none.: Not published
Level Where the products sit: in the server, in the rack, in the row, or at facility scale (skid or facility distribution unit).: Server, In-rack, In-row 1
Coolant Coolant on the IT side: water-glycol (PG25 and similar), single-phase dielectric (oils, GTL, synthetic hydrocarbons) or two-phase dielectric or refrigerant.: Water-glycol 1
Max per rack kW Highest rack density the vendor publishes for its own system (immersion tank, in-rack CDU, rear door or OEM rack). Filled only when the vendor states a per-rack figure.: Not published
Rear door max kW Highest published heat removal of the vendor's rear-door heat exchanger, per rack.: Not published
Vendor type Liquid cooling specialist, thermal and HVAC major, power and data center infrastructure major, server OEM, component maker (cold plates, connectors, CDUs sold to OEMs) or fluid supplier.: Component maker 1
Parent company Owner or controlling shareholder when the vendor sits inside a larger group, such as CoolIT under Ecolab or Motivair under Schneider Electric.: Not published
HQ region Region of the vendor's (or brand owner's) headquarters.: Asia-Pacific 1
HQ country Country of the vendor's (or brand owner's) headquarters.: Taiwan 1
Headquarters Headquarters city and country as the vendor states it.: Taipei, Taiwan 1
Manufacturing Regions or sites where the vendor says it builds liquid cooling products. Blank when not published.: Not published
Key products Main product lines and model names for data center liquid cooling.: 2,500 kW and 1,400 kW in-row CDUs, 100 kW and 120 kW in-rack CDUs, 25, 30, 75 and 300 kW liquid-to-air CDUs, cold plates, manifolds 1
Spec notes Rating conditions behind the numbers (approach temperature, water temperature, fluid), conflicting figures, and prototypes left out of the ranges.: 2.5 MW CDU: 2,500 kW max @ 5°C ATD, 3,750 LPM (1,500 kW nominal @ 4°C). 1,400 kW CDU: 1,400 kW @ 5°C ATD. 25 kW L2A: 20U with radiator. 1

Sources

Cooler Master 2.5 MW in-row CDU accessed 2026-11-09
Cooler Master 100 kW in-rack CDU accessed 2026-11-09
Cooler Master 25 kW liquid-to-air CDU accessed 2026-11-09
TrendForce via I-Connect007: GB200 cooling supply chain accessed 2026-11-09
Cooler Master 1,400 kW in-row CDU accessed 2026-11-09

Cooler Master alternatives

Largest CDU

Motivair by Schneider Electric 2,500 kW1
Boyd Thermal (Eaton) 2,300 kW3
Vertiv 2,300 kW1
Airedale by Modine 2,160 kW2
CoolIT Systems 3,000 kW1
Nidec 2,000 kW1

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