Hardware Spec Index

Caldera CL-6642 Ultra Single tower Air CPU Cooler

CPU Coolers · Caldera · SKU CL6642-ULTRA · Released 2026 · Updated 2026-10-25

Key facts

Benchmark index1,122 (CPU Coolers scale)
Category rank#4,259
Street price$39
Power3 W
Performance per dollar28.77
Released2026

Specifications

BrandCaldera
ModelCaldera CL-6642 Ultra
TypeSingle tower air cooler
Heat pipes6× 6 mm copper
Height161 mm
Fans1× 120 mm PWM, up to 2,200 RPM
Rated cooling220 W (manufacturer rating)
Noise22 dBA (max)
RAM clearanceUnrestricted
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty6 years

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Cite this page: Hardware Spec Index, “Caldera CL-6642 Ultra Single tower Air CPU Cooler”, https://vextor7.com/item/6179077 (accessed 2026-10-25).