Hardware Spec Index

Zephyra CL-4497 Ultra 420mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL4497-ULTRA · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index2,227 (CPU Coolers scale)
Category rank#4,880
Street price$159
Power17 W
Performance per dollar14.01
Released2023

Specifications

BrandZephyra
ModelZephyra CL-4497 Ultra
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 38 mm thick
Fans3× 140 mm, up to 1,800 RPM
Pump3,300 RPM
Rated cooling330 W (manufacturer rating)
Noise30 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-4497 Ultra 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/95542184 (accessed 2026-10-21).