Hardware Spec Index

Caldera CL-7891 Prime 240mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL7891-PRIME · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index524 (CPU Coolers scale)
Category rank#49,601
Street price$19
Power12 W
Performance per dollar27.58
Released2021

Specifications

BrandCaldera
ModelCaldera CL-7891 Prime
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 38 mm thick
Fans2× 120 mm, up to 1,900 RPM
Pump3,100 RPM
Rated cooling250 W (manufacturer rating)
Noise31 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty5 years

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Cite this page: Hardware Spec Index, “Caldera CL-7891 Prime 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/9837339 (accessed 2026-10-23).