Hardware Spec Index

Zephyra CL-5421 Ultra Single tower Air CPU Cooler

CPU Coolers · Zephyra · SKU CL5421-ULTRA · Released 2020 · Updated 2026-10-23

Key facts

Benchmark index913 (CPU Coolers scale)
Category rank#44,598
Street price$29
Power3 W
Performance per dollar31.48
Released2020

Specifications

BrandZephyra
ModelZephyra CL-5421 Ultra
TypeSingle tower air cooler
Heat pipes4× 6 mm copper
Height157 mm
Fans1× 120 mm PWM, up to 1,800 RPM
Rated cooling180 W (manufacturer rating)
Noise24 dBA (max)
RAM clearanceUnrestricted
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty6 years

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Cite this page: Hardware Spec Index, “Zephyra CL-5421 Ultra Single tower Air CPU Cooler”, https://vextor7.com/item/92931520 (accessed 2026-10-23).