Hardware Spec Index

Zephyra CL-3647 Ultra Single tower Air CPU Cooler

CPU Coolers · Zephyra · SKU CL3647-ULTRA · Released 2022 · Updated 2026-10-26

Key facts

Benchmark index1,614 (CPU Coolers scale)
Category rank#49,844
Street price$99
Power3 W
Performance per dollar16.30
Released2022

Specifications

BrandZephyra
ModelZephyra CL-3647 Ultra
TypeSingle tower air cooler
Heat pipes4× 6 mm copper
Height156 mm
Fans1× 120 mm PWM, up to 1,600 RPM
Rated cooling180 W (manufacturer rating)
Noise28 dBA (max)
RAM clearanceUnrestricted
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty6 years

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Cite this page: Hardware Spec Index, “Zephyra CL-3647 Ultra Single tower Air CPU Cooler”, https://vextor7.com/item/94099282 (accessed 2026-10-26).