Hardware Spec Index

Zephyra CL-3974 SE 240mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL3974-SE · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index813 (CPU Coolers scale)
Category rank#32,344
Street price$29
Power12 W
Performance per dollar28.03
Released2020

Specifications

BrandZephyra
ModelZephyra CL-3974 SE
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 30 mm thick
Fans2× 120 mm, up to 1,900 RPM
Pump3,000 RPM
Rated cooling250 W (manufacturer rating)
Noise35 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty5 years

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Cite this page: Hardware Spec Index, “Zephyra CL-3974 SE 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/20177550 (accessed 2026-10-20).