Hardware Spec Index

Zephyra CL-3997 Plus 240mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL3997-PLUS · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index823 (CPU Coolers scale)
Category rank#40,261
Street price$29
Power12 W
Performance per dollar28.38
Released2020

Specifications

BrandZephyra
ModelZephyra CL-3997 Plus
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 30 mm thick
Fans2× 120 mm, up to 1,800 RPM
Pump3,200 RPM
Rated cooling250 W (manufacturer rating)
Noise35 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty6 years

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Cite this page: Hardware Spec Index, “Zephyra CL-3997 Plus 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/92716875 (accessed 2026-10-25).