Hardware Spec Index

Zephyra CL-9281 Ultra 420mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL9281-ULTRA · Released 2019 · Updated 2026-10-18

Key facts

Benchmark index2,157 (CPU Coolers scale)
Category rank#37,869
Street price$179
Power17 W
Performance per dollar12.05
Released2019

Specifications

BrandZephyra
ModelZephyra CL-9281 Ultra
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 38 mm thick
Fans3× 140 mm, up to 2,400 RPM
Pump2,800 RPM
Rated cooling330 W (manufacturer rating)
Noise33 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-9281 Ultra 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/600352 (accessed 2026-10-18).