Hardware Spec Index

Zephyra CL-3999 SE 240mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL3999-SE · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index629 (CPU Coolers scale)
Category rank#33,965
Street price$19
Power12 W
Performance per dollar33.11
Released2020

Specifications

BrandZephyra
ModelZephyra CL-3999 SE
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 30 mm thick
Fans2× 120 mm, up to 1,900 RPM
Pump2,800 RPM
Rated cooling250 W (manufacturer rating)
Noise31 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-3999 SE 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/8095015 (accessed 2026-10-21).