Hardware Spec Index

Zephyra CL-6447 XT 420mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL6447-XT · Released 2020 · Updated 2026-10-24

Key facts

Benchmark index1,921 (CPU Coolers scale)
Category rank#8,990
Street price$119
Power17 W
Performance per dollar16.14
Released2020

Specifications

BrandZephyra
ModelZephyra CL-6447 XT
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 38 mm thick
Fans3× 140 mm, up to 2,000 RPM
Pump2,800 RPM
Rated cooling330 W (manufacturer rating)
Noise29 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-6447 XT 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/99832276 (accessed 2026-10-24).