Hardware Spec Index

Zephyra CL-6414 Ultra 420mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL6414-ULTRA · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index1,748 (CPU Coolers scale)
Category rank#25,562
Street price$109
Power17 W
Performance per dollar16.04
Released2023

Specifications

BrandZephyra
ModelZephyra CL-6414 Ultra
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 30 mm thick
Fans3× 140 mm, up to 1,700 RPM
Pump2,900 RPM
Rated cooling330 W (manufacturer rating)
Noise24 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-6414 Ultra 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/15907477 (accessed 2026-10-21).