Hardware Spec Index

Caldera CL-3657 Ultra Single tower Air CPU Cooler

CPU Coolers · Caldera · SKU CL3657-ULTRA · Released 2023 · Updated 2026-10-24

Key facts

Benchmark index1,481 (CPU Coolers scale)
Category rank#8,937
Street price$69
Power3 W
Performance per dollar21.46
Released2023

Specifications

BrandCaldera
ModelCaldera CL-3657 Ultra
TypeSingle tower air cooler
Heat pipes6× 6 mm copper
Height161 mm
Fans1× 120 mm PWM, up to 1,600 RPM
Rated cooling220 W (manufacturer rating)
Noise33 dBA (max)
RAM clearanceUnrestricted
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty6 years

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Cite this page: Hardware Spec Index, “Caldera CL-3657 Ultra Single tower Air CPU Cooler”, https://vextor7.com/item/73671536 (accessed 2026-10-24).