Hardware Spec Index

Zephyra CL-6921 SE 240mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL6921-SE · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index831 (CPU Coolers scale)
Category rank#9,772
Street price$29
Power12 W
Performance per dollar28.66
Released2021

Specifications

BrandZephyra
ModelZephyra CL-6921 SE
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 30 mm thick
Fans2× 120 mm, up to 2,000 RPM
Pump3,400 RPM
Rated cooling250 W (manufacturer rating)
Noise25 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-6921 SE 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/506355 (accessed 2026-10-21).