Hardware Spec Index

Zephyra CL-2940 Ultra 420mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL2940-ULTRA · Released 2024 · Updated 2026-10-26

Key facts

Benchmark index2,007 (CPU Coolers scale)
Category rank#45,752
Street price$149
Power17 W
Performance per dollar13.47
Released2024

Specifications

BrandZephyra
ModelZephyra CL-2940 Ultra
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 30 mm thick
Fans3× 140 mm, up to 2,100 RPM
Pump2,800 RPM
Rated cooling330 W (manufacturer rating)
Noise27 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty5 years

Related guides

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Cite this page: Hardware Spec Index, “Zephyra CL-2940 Ultra 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/99344815 (accessed 2026-10-26).