Hardware Spec Index

Zephyra CL-6341 Ultra 420mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL6341-ULTRA · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index2,380 (CPU Coolers scale)
Category rank#34,603
Street price$199
Power17 W
Performance per dollar11.96
Released2023

Specifications

BrandZephyra
ModelZephyra CL-6341 Ultra
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 27 mm thick
Fans3× 140 mm, up to 2,100 RPM
Pump3,400 RPM
Rated cooling330 W (manufacturer rating)
Noise31 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-6341 Ultra 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/19821638 (accessed 2026-10-19).