Boyd Thermal (Eaton)

Thermal maker of cold plates, cooling loops, in-rack manifolds and CDUs from small liquid-to-air units to the 2.3 MW ROL2300. Eaton closed its $9.5 billion purchase of Boyd Thermal on 12 March 2026, so the line now sells as part of Eaton.

CDU, Cold plate, Liquid-to-air CDU, Manifolds HQ Dublin, Ireland (Eaton) Owned by Eaton Checked 9 Nov 2026

Smallest CDU: 15 kW Boyd CDU product page, 9 Nov 2026
Largest CDU: 2,300 kW Boyd ROL2300 2.3 MW CDU release, 9 Nov 2026

Rating conditions

RAA15-10U19: 15 kW @ 24°C approach (liquid-to-air). 10U L2A: 32 kW @ 24°C (datasheet: over 30 kW). RAL110-04U19: 110 kW @ 12°C. ROL2300: 2.3 MW liquid-to-liquid. Boyd's CDU pages now redirect to eaton.com. Boyd Corporation keeps its Engineered Materials business in Pleasanton, California.

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Ownership change

Mar 2026

Acquired by Eaton for $9.5B. Eaton closed its $9.5 billion purchase of Boyd Thermal on 12 March 2026. Boyd’s cold plates, manifolds and CDUs, up to the 2.3 MW ROL2300, now sit inside Eaton. Source

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.: 15 1
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.: 2,300 3
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.: 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.: Eaton 4
HQ region Region of the vendor's (or brand owner's) headquarters.: Europe 7
HQ country Country of the vendor's (or brand owner's) headquarters.: Ireland 7
Headquarters Headquarters city and country as the vendor states it.: Dublin, Ireland (Eaton) 7
Manufacturing Regions or sites where the vendor says it builds liquid cooling products. Blank when not published.: North America; Asia; Europe 6
Key products Main product lines and model names for data center liquid cooling.: ROL2300 (2.3 MW), ROL4000 (2 MW), RAL110 4U in-rack, 10U and RAA15 liquid-to-air, 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.: RAA15-10U19: 15 kW @ 24°C approach (liquid-to-air). 10U L2A: 32 kW @ 24°C (datasheet: over 30 kW). RAL110-04U19: 110 kW @ 12°C. ROL2300: 2.3 MW liquid-to-liquid. Boyd's CDU pages now redirect to eaton.com. Boyd Corporation keeps its Engineered Materials business in Pleasanton, California. 1

Sources

Boyd CDU product page accessed 2026-11-09
Boyd 10U CDU datasheet accessed 2026-11-09
Boyd ROL2300 2.3 MW CDU release accessed 2026-11-09
Eaton completes Boyd Thermal acquisition (12 Mar 2026) accessed 2026-11-09
Boyd announces sale of its thermal business to Eaton for $9.5 billion accessed 2026-11-09
Pulse 2.0: Eaton completes Boyd Thermal acquisition accessed 2026-11-09
SEC EDGAR: Eaton Corp plc business address (Dublin, Ireland) accessed 2026-11-09

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