Hardware Spec Index

Caldera CL-4381 Prime 420mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL4381-PRIME · Released 2026 · Updated 2026-10-25

Key facts

Benchmark index2,320 (CPU Coolers scale)
Category rank#7,074
Street price$139
Power17 W
Performance per dollar16.69
Released2026

Specifications

BrandCaldera
ModelCaldera CL-4381 Prime
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 27 mm thick
Fans3× 140 mm, up to 1,800 RPM
Pump3,100 RPM
Rated cooling330 W (manufacturer rating)
Noise33 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty6 years

Related guides

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Cite this page: Hardware Spec Index, “Caldera CL-4381 Prime 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/2477936 (accessed 2026-10-25).