Hardware Spec Index

Caldera CL-9521 Prime 240mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL9521-PRIME · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index786 (CPU Coolers scale)
Category rank#35,762
Street price$29
Power12 W
Performance per dollar27.10
Released2019

Specifications

BrandCaldera
ModelCaldera CL-9521 Prime
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 30 mm thick
Fans2× 120 mm, up to 1,700 RPM
Pump3,300 RPM
Rated cooling250 W (manufacturer rating)
Noise28 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty6 years

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Cite this page: Hardware Spec Index, “Caldera CL-9521 Prime 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/5530239 (accessed 2026-10-21).