Hardware Spec Index

Caldera CL-6977 Prime Single tower Air CPU Cooler

CPU Coolers · Caldera · SKU CL6977-PRIME · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index1,582 (CPU Coolers scale)
Category rank#7,356
Street price$89
Power3 W
Performance per dollar17.78
Released2019

Specifications

BrandCaldera
ModelCaldera CL-6977 Prime
TypeSingle tower air cooler
Heat pipes6× 6 mm copper
Height158 mm
Fans1× 120 mm PWM, up to 1,900 RPM
Rated cooling220 W (manufacturer rating)
Noise28 dBA (max)
RAM clearanceUnrestricted
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty6 years

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Cite this page: Hardware Spec Index, “Caldera CL-6977 Prime Single tower Air CPU Cooler”, https://vextor7.com/item/17845150 (accessed 2026-10-21).