Hardware Spec Index

Zephyra CL-8939 Ultra 240mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL8939-ULTRA · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index723 (CPU Coolers scale)
Category rank#47,313
Street price$19
Power12 W
Performance per dollar38.05
Released2021

Specifications

BrandZephyra
ModelZephyra CL-8939 Ultra
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 27 mm thick
Fans2× 120 mm, up to 1,700 RPM
Pump2,800 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-8939 Ultra 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/20169933 (accessed 2026-10-19).