Hardware Spec Index

Brontix CL-4946 Ultra 420mm AIO Liquid CPU Cooler

CPU Coolers · Brontix · SKU CL4946-ULTRA · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index2,211 (CPU Coolers scale)
Category rank#37,275
Street price$169
Power17 W
Performance per dollar13.08
Released2022

Specifications

BrandBrontix
ModelBrontix CL-4946 Ultra
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 30 mm thick
Fans3× 140 mm, up to 1,800 RPM
Pump3,300 RPM
Rated cooling330 W (manufacturer rating)
Noise32 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty6 years

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Cite this page: Hardware Spec Index, “Brontix CL-4946 Ultra 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/7147288 (accessed 2026-10-20).