In-Rack CDU

In Rack CDU

Gen2.0 EIA

Features

Support NVIDIA HGX™ B300 with a single unit
Up to 250kW cooling capacity in 4U form-factor
EIA rack compliant
High reliability via redundant pumps, power supplies, and control unit
High maintainability with hot-swappable critical components for zero-downtime servicing
External control and management via Redfish protocol

Gen2.5 OCP

Features

Support NVIDIA GB300 NVL72 with a single unit
Up to 250kW cooling capacity in 4U form-factor
OCP ORV3 rack compliant
Compact and high-efficiency Nidec pumps proven in the automotive industry
High reliability via redundant pumps, and control unit
External control and management via Redfish protocol
51VDC busbar power input
Support the NVIDIA MGX™ servers

Gen3.0 OCP

Features

Support the latest GPUs in the industry
Up to 300kW cooling capacity in 4U form-factor
OCP ORV3 rack compliant
High reliability via redundant pumps and control unit
High maintainability with hot-swappable critical components for zero-downtime servicing
External control and management via Redfish protocol
51VDC busbar power input

STC 1.0 (Stack CDU)

Features

Adopts a stacked structure for the In-Rack CDU
Configurable In-Rack CDU deployment to align with dynamic thermal loads
Up to 5 units, maximum cooling capacity of 1MW
Robust In-Rack CDU redundancy ensures hassle-free, low risk maintainability
On-the-fly CDU module replacement guarantees zero-downtime

*Due to changes in rack specification, the system can be expanded to up to 8 units and maximum cooling capacity of 1.6MW

Role of the CDU and Key
Features of Nidec’s In-Rack CDU

CDU（Coolant Distribution Unit）

A heat exchange system that transfers thermal energy between the Facility Water System (FWS) and the Technology Cooling System (TCS) without mixing the two liquids.

Features of CDU

Equipped with pumps to deliver coolant to servers and a heat exchanger that isolates FWS and TCS during thermal transfer.

*quotation:SWEP International AB

Redundant Design for Critical Components

Pumps, control units, and PSUs feature N+1 redundancy, allowing for individual removal and replacement of a failed unit without interrupting system operation.

(1)Pump Unit

(2)Control Unit

(3)PSU

Nidec Proprietary Pump for High-Performance CDU

Manufacturing pumps for the automotive industry that meet strict standards, operating reliably in harsh environments from -40°C to 85°C with a 15-year lifespan

High Safety & Reliability 3 Million Units Shipped