Hardware Spec Index

Zephyra CL-6655 Prime 420mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL6655-PRIME · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index2,422 (CPU Coolers scale)
Category rank#42,790
Street price$199
Power17 W
Performance per dollar12.17
Released2020

Specifications

BrandZephyra
ModelZephyra CL-6655 Prime
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 27 mm thick
Fans3× 140 mm, up to 1,700 RPM
Pump3,100 RPM
Rated cooling330 W (manufacturer rating)
Noise36 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-6655 Prime 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/7438696 (accessed 2026-10-19).