Hardware Spec Index

Zephyra CL-3974 Core 240mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL3974-CORE · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index772 (CPU Coolers scale)
Category rank#23,559
Street price$19
Power12 W
Performance per dollar40.63
Released2022

Specifications

BrandZephyra
ModelZephyra CL-3974 Core
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 30 mm thick
Fans2× 120 mm, up to 1,900 RPM
Pump3,100 RPM
Rated cooling250 W (manufacturer rating)
Noise32 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty6 years

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Cite this page: Hardware Spec Index, “Zephyra CL-3974 Core 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/53666587 (accessed 2026-10-21).