Closed-loop adaptive liquid cooling control unit

SynthCool Stokes™ is an In-Row heat exchange and control platform for high-density cold-plate liquid-cooled servers. With a standard cabinet footprint and modular design, it supports efficient deployment in equipment rooms or alongside IT racks.

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Product form factorsCovers air-liquid rack, liquid-liquid rack, air-liquid cabinet, and liquid-liquid cabinet configurations across multiple power ranges.

Stable liquid cooling circulation across climates and room layouts.

Year-round natural cooling

Higher secondary-side supply temperature makes better use of natural cooling sources for energy-saving operation across climates.

Modular and flexible deployment

Supports side-by-side deployment with IT racks and online front/back maintenance to reduce operational complexity.

High reliability and redundancy

Integrated efficient heat exchanger, N+1 redundant circulation pumps, dual power supply, leak monitoring, and online maintenance for key parts.

Intelligent monitoring and cluster control

Key operating data can be monitored throughout the lifecycle, uploaded to monitoring systems, and managed remotely with host information backup.

Technical specifications

Model

Model
Stokes™ CDU-L2A-0160
Frame size
2200×1200×1200mm
Rated heat exchange
160 kW

Secondary-side parameters

Pump
1+1 dual pumps
Coolant
Deionized water / EG25 / PG25
Rated supply/return temperature
45/55°C
Rated supply flow
14m³/h
Rated supply flow range
4~16m³/h
Available IT head
2.5bar
Supply/return pipe diameter
ISO 2in
Supply/return connection
Sanitary 2in clamp
System pressure rating
10bar
Make-up tank volume
18L
Filter precision
500 mesh

Primary-side parameters

Cooling medium
Air
Allowed air temperature
5-35°C
Rated air temperature
35°C
Rated air flow
34000m³/h
Maximum air flow
40000m³/h
Air filtration precision
20 mesh
Rated power consumption
12kW
Maintenance clearance
Front/back doors 1200mm wide as maintenance sides; front/back clearance not less than 1000mm

Power distribution system

Rated input voltage
380V-3PH-50HZ
Dual power support
Dual utility power supported, optional ATS

Environment system

Operating temperature
15~40°C
Operating relative humidity
8%~80%
Altitude
≤2000m
Storage temperature
-25~60°C
Storage relative humidity
5%~95%RH

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Based on Nusselt™ single-phase cold plates and Stokes™ rack-level CDU, Synthcool provides a low-cost, scalable retrofit path for existing data centers. It keeps the original architecture, supports phased deployment and hybrid air-liquid operation, and helps traditional facilities evolve smoothly toward liquid cooling.

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