Hardware Spec Index

Zephyra CL-9921 Pro Low profile Air CPU Cooler

CPU Coolers · Zephyra · SKU CL9921-PRO · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index1,157 (CPU Coolers scale)
Category rank#15,305
Street price$49
Power3 W
Performance per dollar23.61
Released2021

Specifications

BrandZephyra
ModelZephyra CL-9921 Pro
TypeLow profile air cooler
Heat pipes4× 6 mm copper
Height47 mm
Fans1× 92 mm PWM, up to 1,600 RPM
Rated cooling95 W (manufacturer rating)
Noise26 dBA (max)
RAM clearanceUnrestricted
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty6 years

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Cite this page: Hardware Spec Index, “Zephyra CL-9921 Pro Low profile Air CPU Cooler”, https://vextor7.com/item/636221 (accessed 2026-10-25).