Hardware Spec Index

Zephyra CL-6974 Ultra 240mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL6974-ULTRA · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index1,138 (CPU Coolers scale)
Category rank#1,756
Street price$39
Power12 W
Performance per dollar29.18
Released2023

Specifications

BrandZephyra
ModelZephyra CL-6974 Ultra
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 27 mm thick
Fans2× 120 mm, up to 2,200 RPM
Pump3,400 RPM
Rated cooling250 W (manufacturer rating)
Noise33 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-6974 Ultra 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/24256095 (accessed 2026-10-19).