Hardware Spec Index

Zephyra CL-6659 XT 420mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL6659-XT · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index2,173 (CPU Coolers scale)
Category rank#31,882
Street price$149
Power17 W
Performance per dollar14.58
Released2023

Specifications

BrandZephyra
ModelZephyra CL-6659 XT
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 38 mm thick
Fans3× 140 mm, up to 2,300 RPM
Pump2,800 RPM
Rated cooling330 W (manufacturer rating)
Noise33 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty5 years

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Cite this page: Hardware Spec Index, “Zephyra CL-6659 XT 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/9625641 (accessed 2026-10-21).