Watercool MO-RA IV
Best external radiator for enthusiasts building high-performance, overclocked workstations.
This external radiator is the ultimate overkill solution for enthusiasts who prioritize absolute thermal headroom over desk space. Its modular, tool-less design makes extreme liquid cooling surprisingly approachable, though you will need to dedicate significant real estate to house this massive cooling powerhouse.
$304.75
Who it's for
- Overclockers pushing high-end hardware to the absolute limit
- Silent PC enthusiasts prioritizing a near-silent computing environment
- System builders crafting a premium, aesthetic-focused showcase PC
Who should skip it
- Users with limited desk space or minimalist workspace setups
- Budget-conscious builders avoiding high-cost cooling accessories
- Beginners intimidated by complex external loop planning and maintenance
Performance breakdown
Thermal Dissipation Capacity
Massive surface area handles extreme overclocking loads with effortless thermal headroom.
Build Integrity
Solid brass terminals and robust construction ensure long-term, leak-free reliability.
Installation Convenience
Tool-less fan mounting and integrated cable management simplify complex loop setups.
System Expandability
Modular design allows for seamless scaling to meet growing cooling demands.
Pressure Resilience
Tested to five bar, providing immense safety margins for high-flow loops.
Aesthetic Integration
Clean white powder-coat and aRGB options blend perfectly into modern builds.
Key Specs
Material (Tubes/Fins/Terminal)
Copper/Aluminium/Brass
External Dimensions (L x W x H)
300 x 452 x 75mm
Weight
approx. 6 kg
Pressure Tested
Up to 5 bar
Connection
2x thread G 1/4 inch
Fan Size Supported
200 x 200 mm
Filling Capacity
approx. 0.81L
Surface Finish
Powder-coated (White)
Connector Type
4-pin PWM
Know before you buy
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Ask Metto anything about the Watercool MO-RA IV before you decide.