Hardware Spec Index

Zephyra CL-4921 Prime 360mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL4921-PRIME · Released 2022 · Updated 2026-10-23

Key facts

Benchmark index1,762 (CPU Coolers scale)
Category rank#12,931
Street price$119
Power15 W
Performance per dollar14.81
Released2022

Specifications

BrandZephyra
ModelZephyra CL-4921 Prime
TypeAll-in-one liquid cooler
Radiator360 mm, aluminum, 27 mm thick
Fans3× 120 mm, up to 2,500 RPM
Pump3,300 RPM
Rated cooling300 W (manufacturer rating)
Noise28 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty5 years

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Cite this page: Hardware Spec Index, “Zephyra CL-4921 Prime 360mm AIO Liquid CPU Cooler”, https://vextor7.com/item/2702175 (accessed 2026-10-23).