Hardware Spec Index

Caldera CL-9643 Prime Single tower Air CPU Cooler

CPU Coolers · Caldera · SKU CL9643-PRIME · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index1,049 (CPU Coolers scale)
Category rank#21,767
Street price$39
Power3 W
Performance per dollar26.90
Released2021

Specifications

BrandCaldera
ModelCaldera CL-9643 Prime
TypeSingle tower air cooler
Heat pipes6× 6 mm copper
Height161 mm
Fans1× 120 mm PWM, up to 2,100 RPM
Rated cooling220 W (manufacturer rating)
Noise22 dBA (max)
RAM clearanceUnrestricted
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty6 years

Related guides

AIO Liquid Cooling vs Air Cooling for CPUsCPU TDP, PPT and Turbo Power Explained

Similar CPU Coolers

ModelBenchmarkPriceCompare
Brontix CL-2133 Edge 420mm AIO Liquid CPU Cooler1,734$119Compare
Zephyra CL-6748 SE Single tower Air CPU Cooler1,373$69Compare
Caldera CL-9568 SE Dual tower Air CPU Cooler1,622$89Compare
Teralux CL-9524 Ti Dual tower Air CPU Cooler1,704$89Compare
Zephyra CL-2820 Ti 240mm AIO Liquid CPU Cooler752$19Compare
Teralux CL-1421 Ultra 240mm AIO Liquid CPU Cooler561$19Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Caldera CL-9643 Prime Single tower Air CPU Cooler”, https://vextor7.com/item/41315986 (accessed 2026-10-23).