Hardware Spec Index

Zephyra CL-4181 Ultra 240mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL4181-ULTRA · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index1,398 (CPU Coolers scale)
Category rank#17,811
Street price$49
Power12 W
Performance per dollar28.53
Released2022

Specifications

BrandZephyra
ModelZephyra CL-4181 Ultra
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 38 mm thick
Fans2× 120 mm, up to 2,200 RPM
Pump3,400 RPM
Rated cooling250 W (manufacturer rating)
Noise32 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty5 years

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Cite this page: Hardware Spec Index, “Zephyra CL-4181 Ultra 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/6072897 (accessed 2026-10-20).