Hardware Spec Index

Caldera CL-9991 Prime 280mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL9991-PRIME · Released 2023 · Updated 2026-10-22

Key facts

Benchmark index1,322 (CPU Coolers scale)
Category rank#3,982
Street price$59
Power13 W
Performance per dollar22.41
Released2023

Specifications

BrandCaldera
ModelCaldera CL-9991 Prime
TypeAll-in-one liquid cooler
Radiator280 mm, aluminum, 38 mm thick
Fans2× 140 mm, up to 1,500 RPM
Pump3,300 RPM
Rated cooling280 W (manufacturer rating)
Noise35 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-9991 Prime 280mm AIO Liquid CPU Cooler”, https://vextor7.com/item/96527294 (accessed 2026-10-22).