MR250
The NeuCool MR250 is the industry’s first two-phase, row-based CDU capable of cooling 1-4 racks of up to 250kW.
The NeuCool MR250 is the industry’s first two-phase, row-based CDU capable of cooling 1-4 racks of up to 250kW.


The NeuCool™ MR250 is a highly engineered two-phase, direct-to-chip cooling solution designed to provide up to 250kW of liquid cooling capacity to support large-scale deployments of high-density racks.
The NeuCool MR250 is the industry’s first two-phase, row-based CDU capable of cooling 1-2 racks of up to 250kW.
| Feature | Specification |
|---|---|
| Liquid Cooling Capacity (kW) | 250kW |
| Racks Supported | 1 or 2 |
| Height | 98 in. (2489 mm) |
| Width | 31.5 in. (800mm) |
| Depth | 47 in. (1200 mm) |
| Display | 15" LCD touchscreen |
| Input Voltage | 230VAC/400VAC/480VAC 50/60Hz, N+1 redundant |
| Max System Power Consumption | 2.6kW |
| Targeted Server Heat Removal | CPUs and GPUs, ~75-80% |
| Max Operating Pressure | 55 psi |
| Pumps | 2 |
| Refrigerant | R-1233zd(E): Shown specs R-515B: Specs in mid-2025, higher performance |
| Facility Water Flow Control | Characterized Control Valve (CCV) |
| Feature | Specification |
|---|---|
| Water Leak Detection | Sense cable |
| ASHRAE Compatibility (at rated performance) | W27 |
| ASHRAE Compatibility (derated perf.) | W45 |
| Redundancies | Pumps (1+1), dual main power feeds, sensors |
| Hot Swappable | Pumps, power supply units, sensors, main control board, LCD |
| Warm Rack Expansion | One rack → Two racks |
| Flow Rate (Facility) | 375 Liters/min |
| Unit Weight (Charged) | CDU & Overhead Manifold: ~1400 lbs |
| Communication Protocols | Redfish, SNMP, Modbus, IPMI, etc. |
| Filter and Pressure Relief Valve | 20 μm filter, integrated pressure relief valve |