Cabinet-Style Liquid-to-Air CDU for AI & Data Centers
Core Technical Advantages
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All-In-One Cabinet Form Factor Combines heat exchangers, high-static fans, variable-speed pumps, and a smart control system into a single cabinet for seamless, plug-and-play integration.
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Efficient Liquid-to-Air Heat Rejection Directly dissipates waste heat from server cold plate loops to ambient air, eliminating the need for external chilled water systems and reducing infrastructure complexity.
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Rack-Ready, Space-Saving Design Built to standard rack dimensions, the unit fits easily into existing data center layouts, supporting side-by-side installation with server racks for simplified piping.
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Intelligent Variable-Speed Control Dynamic fan and pump adjustment based on coolant temperature minimizes power consumption, significantly lowering data center PUE and supporting sustainable green computing goals.
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Enterprise-Grade Reliability Factory-tested components and reinforced piping ensure leak-proof, 24/7 operation for mission-critical data center workloads.
Product Specifications
|
Attribute |
Specification |
|
Brand |
EXTRCOOL |
|
Model Series |
CDU-LTA Cabinet Series |
|
Cooling Type |
Liquid-to-Air (LTA) Direct Heat Rejection |
|
Product Category |
Rack-Mounted Cooling Distribution Unit |
|
Compatible Systems |
Server cold plate loops, liquid cooling racks |
|
Place of Origin |
Guangdong, China |
Ideal Application Scenarios
- Traditional Data Center Retrofit: Enables low-cost liquid cooling upgrades for existing air-cooled facilities without chilled water infrastructure.
- Medium-to-High Power Density Racks: Supports 15–30kW rack loads for AI training servers and HPC clusters.
- Edge & Colocation Data Centers: Compact, cabinet-style form factor fits space-constrained deployments.
- Hybrid Liquid Cooling Architectures: Ideal for phased liquid cooling rollouts, combining air-cooled and liquid-cooled racks.
- Small-to-Mid-Scale AI Clusters: Delivers simplified, low-maintenance cooling for small-scale GPU deployments.
Why Choose EXTRCOOL Cabinet-Style LTA CDU?
The integrated cabinet design eliminates the need for external heat rejection units, offering a low-cost, space-saving solution for transitioning to liquid cooling. EXTRCOOL’s LTA CDU combines high thermal efficiency, simplified installation, and intelligent controls to meet the evolving needs of AI and HPC workloads, ensuring stable, low-noise, and energy-efficient operation year-round.
Frequently Asked Questions
1.What is a Liquid-to-Air CDU used for?
A Liquid-to-Air CDU is a compact, rack-mounted unit that directly rejects waste heat from liquid cooling loops to ambient air, eliminating the need for chilled water systems. It is ideal for data centers seeking simplified liquid cooling deployments.
2.What are the benefits of a cabinet-style LTA CDU over standalone units?
The cabinet form factor enables side-by-side installation with server racks, reducing piping complexity and eliminating the need for external heat rejection infrastructure. It is fully pre-tested at the factory, minimizing on-site commissioning time.
3.Is the unit compatible with all server cold plate systems?
EXTRCOOL’s cabinet-style LTA CDU supports standard liquid loop pressures and temperatures, with customizable flange connections to match most server cold plate systems. Contact our engineering team for tailored compatibility verification.
Product Specification
| Product Type | Liquid-to-Air Cooling Distribution Unit (L2A CDU) | |||
| Part Number | EXT-CDU60AC | EXT-CDU120AC | EXT-CDU300AC | EXT-CDU600AC |
| Installation Type | In Row | |||
| Rated cooling capacity | 60kW | 120kW | 300kW | 600kW |
| Coolant | PG25 | PG25 | PG25 | PG25 |
| Working environmentT&H | -10℃~55℃/RH5~90% | |||
| Storage environmentT&H | -45℃~70℃/RH5~93% | |||
| Inch display screen | 10.1" | 10.1〞 | 10.1" | 10.1" |
| Approach temperature | 10℃ | 10℃ | 10℃ | 10℃ |
| Primary side air or liquid temp.(in/ out) | 25℃/35℃ | |||
| Secondary side liquid temp.(out/ in) | 35℃/45℃ | 35℃/45℃ | 35℃/45℃ | 35℃/45℃ |
| Secondary side rated flow rate | 100LPM | 200LPM | 500LPM | 1000LPM |
| Power Supply | AC220V 50/60Hz | 3P AC380V 50/60Hz 3P AC480V 60Hz |
||
| Dual power ATS | Yes | Yes | Yes | Yes |
| Leak Detection | Yes | Yes | Yes | Yes |
| Redundant Pump Automatic Switchover |
1+1 | 1+1 | 1+1 | 1+1 |
| Power consumption | <3.5kW | <6kW | <15kW | <30kW |
| Bypass Online Replaceable Filter | Yes | Yes | Yes | Yes |
| Control type | PID control method, Adjust air volume and flow rate according to temperature | |||
| Communication | Modbus RTU&TCP/IP | |||
| Approx. Weight | 350kg | 480kg | 850kg | 1700kg |
| Protection level | IP55 | IP55 | IP55 | IP55 |
| Dimensions (W x D x H) mm | 600 x1200 x2000 | 1200×1200 ×2000 | 3000×1200 ×2000 | 6000×1200 ×2000 |





