Hardware Spec Index

Zephyra CL-4721 Prime 280mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL4721-PRIME · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index959 (CPU Coolers scale)
Category rank#8,426
Street price$29
Power13 W
Performance per dollar33.07
Released2024

Specifications

BrandZephyra
ModelZephyra CL-4721 Prime
TypeAll-in-one liquid cooler
Radiator280 mm, aluminum, 38 mm thick
Fans2× 140 mm, up to 2,000 RPM
Pump3,100 RPM
Rated cooling280 W (manufacturer rating)
Noise28 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty5 years

Related guides

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Cite this page: Hardware Spec Index, “Zephyra CL-4721 Prime 280mm AIO Liquid CPU Cooler”, https://vextor7.com/item/8501966 (accessed 2026-10-20).