Hardware Spec Index

Caldera CL-6640 Core Single tower Air CPU Cooler

CPU Coolers · Caldera · SKU CL6640-CORE · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index1,398 (CPU Coolers scale)
Category rank#27,985
Street price$69
Power3 W
Performance per dollar20.26
Released2024

Specifications

BrandCaldera
ModelCaldera CL-6640 Core
TypeSingle tower air cooler
Heat pipes4× 6 mm copper
Height156 mm
Fans1× 120 mm PWM, up to 2,200 RPM
Rated cooling180 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-6640 Core Single tower Air CPU Cooler”, https://vextor7.com/item/72043746 (accessed 2026-10-19).