Hardware Spec Index

Caldera CL-6821 Prime Low profile Air CPU Cooler

CPU Coolers · Caldera · SKU CL6821-PRIME · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index547 (CPU Coolers scale)
Category rank#9,178
Street price$19
Power3 W
Performance per dollar28.79
Released2022

Specifications

BrandCaldera
ModelCaldera CL-6821 Prime
TypeLow profile air cooler
Heat pipes4× 6 mm copper
Height50 mm
Fans1× 92 mm PWM, up to 2,100 RPM
Rated cooling95 W (manufacturer rating)
Noise26 dBA (max)
RAM clearanceUnrestricted
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty6 years

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Cite this page: Hardware Spec Index, “Caldera CL-6821 Prime Low profile Air CPU Cooler”, https://vextor7.com/item/3914734 (accessed 2026-10-19).