Hardware Spec Index

Caldera CL-8643 Prime 280mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL8643-PRIME · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index1,806 (CPU Coolers scale)
Category rank#48,651
Street price$109
Power13 W
Performance per dollar16.57
Released2020

Specifications

BrandCaldera
ModelCaldera CL-8643 Prime
TypeAll-in-one liquid cooler
Radiator280 mm, aluminum, 38 mm thick
Fans2× 140 mm, up to 2,500 RPM
Pump3,400 RPM
Rated cooling280 W (manufacturer rating)
Noise34 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-8643 Prime 280mm AIO Liquid CPU Cooler”, https://vextor7.com/item/19162575 (accessed 2026-10-21).