Hardware Spec Index

Zephyra CL-3921 Pro Low profile Air CPU Cooler

CPU Coolers · Zephyra · SKU CL3921-PRO · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index633 (CPU Coolers scale)
Category rank#24,218
Street price$19
Power3 W
Performance per dollar33.32
Released2023

Specifications

BrandZephyra
ModelZephyra CL-3921 Pro
TypeLow profile air cooler
Heat pipes4× 6 mm copper
Height50 mm
Fans1× 92 mm PWM, up to 1,500 RPM
Rated cooling95 W (manufacturer rating)
Noise26 dBA (max)
RAM clearanceUnrestricted
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty6 years

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Cite this page: Hardware Spec Index, “Zephyra CL-3921 Pro Low profile Air CPU Cooler”, https://vextor7.com/item/1245409 (accessed 2026-10-21).