Hardware Spec Index

Caldera CL-5221 Prime 240mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL5221-PRIME · Released 2023 · Updated 2026-10-25

Key facts

Benchmark index804 (CPU Coolers scale)
Category rank#1,839
Street price$29
Power12 W
Performance per dollar27.72
Released2023

Specifications

BrandCaldera
ModelCaldera CL-5221 Prime
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 30 mm thick
Fans2× 120 mm, up to 1,800 RPM
Pump2,800 RPM
Rated cooling250 W (manufacturer rating)
Noise36 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty5 years

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Cite this page: Hardware Spec Index, “Caldera CL-5221 Prime 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/3408738 (accessed 2026-10-25).