Hardware Spec Index

Zephyra CL-8639 Prime 420mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL8639-PRIME · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index2,122 (CPU Coolers scale)
Category rank#17,494
Street price$159
Power17 W
Performance per dollar13.35
Released2025

Specifications

BrandZephyra
ModelZephyra CL-8639 Prime
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 27 mm thick
Fans3× 140 mm, up to 1,700 RPM
Pump2,900 RPM
Rated cooling330 W (manufacturer rating)
Noise25 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty6 years

Related guides

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Cite this page: Hardware Spec Index, “Zephyra CL-8639 Prime 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/956291 (accessed 2026-10-20).