Hardware Spec Index

Zephyra CL-4739 Ultra 280mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL4739-ULTRA · Released 2022 · Updated 2026-10-26

Key facts

Benchmark index1,486 (CPU Coolers scale)
Category rank#48,175
Street price$79
Power13 W
Performance per dollar18.81
Released2022

Specifications

BrandZephyra
ModelZephyra CL-4739 Ultra
TypeAll-in-one liquid cooler
Radiator280 mm, aluminum, 38 mm thick
Fans2× 140 mm, up to 2,200 RPM
Pump2,800 RPM
Rated cooling280 W (manufacturer rating)
Noise33 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty6 years

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Cite this page: Hardware Spec Index, “Zephyra CL-4739 Ultra 280mm AIO Liquid CPU Cooler”, https://vextor7.com/item/92631623 (accessed 2026-10-26).