Hardware Spec Index

Zephyra CL-3903 Prime Single tower Air CPU Cooler

CPU Coolers · Zephyra · SKU CL3903-PRIME · Released 2024 · Updated 2026-10-18

Key facts

Benchmark index1,479 (CPU Coolers scale)
Category rank#303
Street price$89
Power3 W
Performance per dollar16.62
Released2024

Specifications

BrandZephyra
ModelZephyra CL-3903 Prime
TypeSingle tower air cooler
Heat pipes4× 6 mm copper
Height157 mm
Fans1× 120 mm PWM, up to 2,100 RPM
Rated cooling180 W (manufacturer rating)
Noise24 dBA (max)
RAM clearanceUnrestricted
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty6 years

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Cite this page: Hardware Spec Index, “Zephyra CL-3903 Prime Single tower Air CPU Cooler”, https://vextor7.com/item/1964802 (accessed 2026-10-18).