Hardware Spec Index

Zephyra CL-4273 Prime 280mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL4273-PRIME · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index1,207 (CPU Coolers scale)
Category rank#8,809
Street price$49
Power13 W
Performance per dollar24.63
Released2020

Specifications

BrandZephyra
ModelZephyra CL-4273 Prime
TypeAll-in-one liquid cooler
Radiator280 mm, aluminum, 38 mm thick
Fans2× 140 mm, up to 1,900 RPM
Pump2,900 RPM
Rated cooling280 W (manufacturer rating)
Noise30 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty5 years

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Cite this page: Hardware Spec Index, “Zephyra CL-4273 Prime 280mm AIO Liquid CPU Cooler”, https://vextor7.com/item/21494068 (accessed 2026-10-22).