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DCX CDU 3: in-rack Coolant Distribution Unit

DCX HYDRO CDU 3 is a standalone Unit Coolant Distribution Unit designed to cool a group of high-density server racks. This cost-effective but enterprise-class CDU, equipped with unique immersion pumps, delivers over 300kW heat transfer capacity at 10C approach temperature which supports 6 server racks with around 240 1U servers.

Capacity

Up to 240 servers or 6 server racks per one CDU!

Performance

Up to 300kW of heat transfer capacity!

Sustainability

Enables heat reuse with up to 60°C return temperature!

Energy Efficiency

Adaptive energy consumption up to 4kW per 6 server racks

Overview

CDU 3 features all advanced capabilities: redundant pump design, dynamic condensation-free control, automatic coolant leveling, automatic leak detection and complete remote control of all important parameters. A perfect solution that provides responsive, high-capacity cooling for HPC or GPU server nodes, and it only requires ASHRAE W3/W4 warm water to solve all cooling challenges of power–dense racks. The compact dimensions of CDU 3 allow for quick retrofitting of existing data halls with a liquid cooling system. This CDU will fit any data room environment with in-row or technical corridor placement. The system can be integrated with all standard server racks providing energy-efficient cooling & intelligent controls.
DCX offers CDU3 along with secondary loop (TCS) components including DCX Liquid Distribution Manifolds, quick disconnects, and cold plates. The complete solution will provide the exact, optimal cooling performance that your servers need, keeping your operation environmentally sustainable.

Features

  • Supports twice as many servers, CPU’s and GPU’s than other CDU’s
  • Multi-stage immersion pumps provide 2 x more pressure and flow compared to standard pumps
  • Enterprise-class system high availability & redundancy
  • Adaptive efficiency, loop separation and condensation control.
  • Complete portfolio of 7 CDU’s sized to adapt to different cooling requirements
  • Wide range of systems – from 100kW and 1 rack to 5MW and 100 server racks per CDU.
Get the QuoteGet the Specsheet
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Product modelCDU 3
Coling capacity [kW]300
Approach temperature [°C]915
Operation conditionPrimary sideSecondary sidePrimary sideSecondary side
CoolantFacility waterDI-waterPG-25PG-25
Flow [m3/h]18.918.918.918.9
Output rated dP (bar)/≥0.5/≥0.5
Rated inlet temperature [°C]3658.73559.9
Rated outlet temperature [°C ]49.74549.949.9
Cooling capacity margin23%19%
Transport weight [kg / lbs]450/992
Operation weight [kg / lbs]560/1234.6
Height [mm] | Width [mm] | Depth [mm]2035 | 600 | 1200
FWS liquid connector style and dimensionTri-Clamp 2"
TCS liquid connector style and dimensionTri-Clamp 2"
Max. Power consumption [kW]4
T-V coefficient [C*L]3.2×10⁴
Power specifications3P AC380V 50/60Hz
Working environment T&H0~50C°/ RH5~85%
Noise Level [dB]65

Features

  • Supports twice as many servers, CPU’s and GPU’s than other CDU’s
  • Multi-stage immersion pumps deliver twice the pressure and flow rate of standard pumps.
  • Enterprise-class system high availability & redundancy
  • Adaptive efficiency, loop separation and condensation control.
  • Complete portfolio of 7 CDUs tailored to meet diverse cooling requirements
  • Wide range of systems, ranging from 100kW per 1 rack to 5MW and 100 server racks per single CDU
Get the SpecsheetGet the Quote

System Build

CDU 3 InRow Coolant Distribution Unit

Enterprise class Coolant Distribution Unit, with 300kW up to 440kW of heat transfer capacity at average 10°C – 15°C approach temperature. A perfect entry CDU model that will cover multiple racks, without the cost associated with 600-700kW CDU systems.
This unit is designed for high density servers cooling and offer advanced features such as variable-speed pumps, full condensation control, cooling loop separation, redundant components, adaptive operation, energy-efficient cooling & intelligent controls with full remote control of the system.
CDU is equipped with 2 redundant multistage immersion pumps and can effectively cool multiple racks or high-powered HPC systems with 2 x higher pressure and flow rate than any other solution. With the double pump redundant design, replacement and maintenance does not interfere with high availability of the system. Maintenance can be performed without downtime as all critical components are redundant.
The CDU system has a clamp connection for easy and quick installation and can be easily connected with over the racks or below technical floor piping.

Steel cover to prevent contamination, with spill prevention components.
All-steel enclosure big enough to house up to 400kg of dielectric fluid and miners. Building block for the rack or scale-out container installations. Enables high-temperature mining for the best heat transfer parameters. No more plastic boxes that can crack, leak or melt anytime, no more problems with temperature limits, no more problems with grounding.
L shaped frames to mount external components – switchgear, monitoring systems or PSUs. Placement of PSU outside of the immersion bath requires more retrofitting for the miners, but enables even bigger density and higher temperature for better heat exchange.
IP40 switchgear box for 10-12 3-4kW miners. Contains: 10-12 x overcurrent protection, circuit breaker, cable fittings, terminal blocks, cabling. We use top class Schneider, Eaton, Legrand or Siemens components.
Miner stack area. Sized carefully taking into account various miner types. Allows for flexible placement of different miners. Including: 15x Whatsminer M20/M30/M31 12x Whatsminer M21 8x Antminer S17+ / S17e / T17+ 8x Antminer S19 / S19PRO / T19 10x Innosilicon A10 PRO / A9 / A6 23x Innosilicon A10 (500M) 18x Antminer S9SE / S9K 20x Antminer S9I / S9J 8-16 x Mining rig with up to 12 GPU each 6-7x Hummer H1 Miner 5x Antminer K5 CKB Eaglesong 8-16 GPU rigs with 12GPU each (96-192GPUS)
ThermaSafe R™ Dielectric Engineered Fluid Best priced, 2 times better than recognized Bitcool BC-888 ASIC miner dielectric coolant. Dielectric, odorless, non-toxic, non-allergenic, long-life, eco friendly and safe HTF (Heat Transfer Fluid). Designed specifically for crypto mining operations, compatible with most ASIC, GPU and electronic equipment.
Filling kit. Flexible miners require more effort on fluid control. We want all the fluid to go through the miners not around. To enable a higher pressure drop around the miners we deliver filling kits which direct the fluid through the miners.

Sustainable high performance computing

As computing power constantly increases, liquid cooling becomes a necessary solution to replace conventional air cooling. DCX HYDRO stands out as the most powerful, compact, sustainable, and energy-efficient data center cooling technology available today.

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We will advise, guide and support – the ideas are always free of charge!

Get your custom solution:

We need basic information to design custom liquid cooling system:

  • Quantity and general specification and dimensions of servers, ICT systems or other to be cooled components, along with power allocation per device or rack.

  • Brief overview of your project along with your main objective: better performance, water savings, energy efficiency, heat reuse, higher density?

  • Preferred liquid cooling technology: direct chip – coldplate system or immersion solution? Planned heat rejection or heat recovery strategy.

  • Country & city nearby planed location for climate data, heat transfer performance & shipping cost estimate.

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Sustainability is in our DNA. Let's change the IT and we will change the world. Together.

We build smart and affordable liquid cooling systems for datacenters and high performance computing.

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We’re DCX, a team of liquid cooling experts. We pride ourselves on being at the forefront of sustainable innovation, developing a unique and smart solutions for data center and telecommunication sector. Our goal is to create future industry standards in liquid cooling technology and to transform the industry forever.

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