Liquid Cooling Vendors

Delta Electronics

Taiwanese power and thermal maker with the GoCool range of liquid-to-liquid CDUs up to 1.5 MW, a 250 kW cooled NVIDIA MGX GB200/GB300 rack, and 2.4 MW and 3 MW in-row CDUs shown with NVIDIA.

CDU HQ Taipei, Taiwan Checked

Smallest CDU
500 kW Delta liquid-to-liquid CDU range, 9 Nov 2026
Largest CDU
1,500 kW Delta GoCool-1500 L2L CDU, 9 Nov 2026
Max per rack
250 kW Delta at SC24: 1.5 MW CDU, 9 Nov 2026

Rating conditions

GoCool-1500: 1,500 kW liquid-to-liquid for direct-to-chip and RDHx loops. MGX rack: 250 kW @ 4°C approach. 2.4 MW and 3 MW in-row CDUs are announced, so they are not in the range here.

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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 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.
500 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.
1,500 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.
NVIDIA MGX rack GB200/GB300 3
Level Where the products sit: in the server, in the rack, in the row, or at facility scale (skid or facility distribution unit).
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 3
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.
Power and infrastructure major 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.
GoCool-500, GoCool-660, GoCool-1200, GoCool-1500 liquid-to-liquid CDUs; MGX GB200/GB300 rack 1
Spec notes Rating conditions behind the numbers (approach temperature, water temperature, fluid), conflicting figures, and prototypes left out of the ranges.
GoCool-1500: 1,500 kW liquid-to-liquid for direct-to-chip and RDHx loops. MGX rack: 250 kW @ 4°C approach. 2.4 MW and 3 MW in-row CDUs are announced, so they are not in the range here. 1

Sources

3
  1. Delta GoCool-1500 L2L CDU accessed 2026-11-09
  2. Delta liquid-to-liquid CDU range accessed 2026-11-09
  3. Delta at SC24: 1.5 MW CDU accessed 2026-11-09

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