Hardware Spec Index

Zephyra CL-3974 Ultra Low profile Air CPU Cooler

CPU Coolers · Zephyra · SKU CL3974-ULTRA · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index561 (CPU Coolers scale)
Category rank#49,399
Street price$19
Power3 W
Performance per dollar29.53
Released2020

Specifications

BrandZephyra
ModelZephyra CL-3974 Ultra
TypeLow profile air cooler
Heat pipes4× 6 mm copper
Height48 mm
Fans1× 92 mm PWM, up to 2,100 RPM
Rated cooling95 W (manufacturer rating)
Noise28 dBA (max)
RAM clearanceUnrestricted
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty6 years

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Cite this page: Hardware Spec Index, “Zephyra CL-3974 Ultra Low profile Air CPU Cooler”, https://vextor7.com/item/392876 (accessed 2026-10-19).