Supermicro

Server OEM that ships complete direct liquid cooling racks (DLC-2): cold plates, manifolds, a 250 kW in-rack CDU on warm water up to 45°C, in-row CDUs up to 5 MW and a 500 kW liquid-to-air sidecar.

CDU, Liquid-to-air CDU, Cold plate, Manifolds, Server OEM HQ San Jose, California, USA Checked 9 Nov 2026

Smallest CDU: 100 kW Supermicro In-Rack CDU datasheet, 9 Nov 2026
Largest CDU: 5,000 kW Supermicro liquid cooling solutions, 9 Nov 2026
Max per rack: 250 kW Supermicro In-Rack CDU datasheet, 9 Nov 2026

Rating conditions

In-rack CDU: up to 250 kW, 4U, warm water up to 45°C, 2N pumps; a 100 kW in-rack CDU is also listed. In-row CDU: up to 5 MW for multi-rack deployments. L2A sidecar: up to 500 kW liquid-to-air. No approach temperature published for the in-row unit.

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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, Liquid-to-air CDU, Cold plate, Manifolds, Server OEM 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.: 100 2
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.: 5,000 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.: NVIDIA GB200 NVL72; NVIDIA HGX B300; AMD Instinct MI300X/MI325X; AMD Instinct MI300A 1
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.: 250 2
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.: Server OEM 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.: North America 1
HQ country Country of the vendor's (or brand owner's) headquarters.: United States 1
Headquarters Headquarters city and country as the vendor states it.: San Jose, California, USA 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.: DLC-2, in-rack CDU LCS-SCDU-250L4001 (EIA) and OCP variant, in-row CDU (up to 5 MW), L2A sidecar CDU (up to 500 kW, liquid-to-air) 1
Spec notes Rating conditions behind the numbers (approach temperature, water temperature, fluid), conflicting figures, and prototypes left out of the ranges.: In-rack CDU: up to 250 kW, 4U, warm water up to 45°C, 2N pumps; a 100 kW in-rack CDU is also listed. In-row CDU: up to 5 MW for multi-rack deployments. L2A sidecar: up to 500 kW liquid-to-air. No approach temperature published for the in-row unit. 1

Sources

Supermicro liquid cooling solutions accessed 2026-11-09
Supermicro In-Rack CDU datasheet accessed 2026-11-09
Supermicro DLC-2 press release accessed 2026-11-09

Supermicro alternatives

Largest CDU

Carrier 5,000 kW3
CoolIT Systems 3,000 kW1
Cooler Master 2,500 kW1
Motivair by Schneider Electric 2,500 kW1
Boyd Thermal (Eaton) 2,300 kW3
Vertiv 2,300 kW1

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