Hardware Spec Index

Zephyra CL-2939 Ultra 240mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL2939-ULTRA · Released 2023 · Updated 2026-10-26

Key facts

Benchmark index619 (CPU Coolers scale)
Category rank#48,677
Street price$19
Power12 W
Performance per dollar32.58
Released2023

Specifications

BrandZephyra
ModelZephyra CL-2939 Ultra
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 30 mm thick
Fans2× 120 mm, up to 2,000 RPM
Pump2,800 RPM
Rated cooling250 W (manufacturer rating)
Noise28 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-2939 Ultra 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/7247807 (accessed 2026-10-26).