Hardware Spec Index

Caldera CL-6639 Core Single tower Air CPU Cooler

CPU Coolers · Caldera · SKU CL6639-CORE · Released 2026 · Updated 2026-10-25

Key facts

Benchmark index1,553 (CPU Coolers scale)
Category rank#14,813
Street price$89
Power3 W
Performance per dollar17.45
Released2026

Specifications

BrandCaldera
ModelCaldera CL-6639 Core
TypeSingle tower air cooler
Heat pipes6× 6 mm copper
Height158 mm
Fans1× 120 mm PWM, up to 2,100 RPM
Rated cooling220 W (manufacturer rating)
Noise27 dBA (max)
RAM clearanceUnrestricted
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty6 years

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Cite this page: Hardware Spec Index, “Caldera CL-6639 Core Single tower Air CPU Cooler”, https://vextor7.com/item/8423871 (accessed 2026-10-25).