Hardware Spec Index

Zephyra CL-4291 Pro 280mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL4291-PRO · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index1,478 (CPU Coolers scale)
Category rank#40,252
Street price$59
Power13 W
Performance per dollar25.05
Released2021

Specifications

BrandZephyra
ModelZephyra CL-4291 Pro
TypeAll-in-one liquid cooler
Radiator280 mm, aluminum, 27 mm thick
Fans2× 140 mm, up to 2,500 RPM
Pump2,800 RPM
Rated cooling280 W (manufacturer rating)
Noise29 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty6 years

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Cite this page: Hardware Spec Index, “Zephyra CL-4291 Pro 280mm AIO Liquid CPU Cooler”, https://vextor7.com/item/19639263 (accessed 2026-10-24).