Hardware Spec Index

Brontix CL-4776 Ultra 420mm AIO Liquid CPU Cooler

CPU Coolers · Brontix · SKU CL4776-ULTRA · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index2,120 (CPU Coolers scale)
Category rank#41,372
Street price$159
Power17 W
Performance per dollar13.33
Released2022

Specifications

BrandBrontix
ModelBrontix CL-4776 Ultra
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 30 mm thick
Fans3× 140 mm, up to 1,900 RPM
Pump3,400 RPM
Rated cooling330 W (manufacturer rating)
Noise35 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty5 years

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Cite this page: Hardware Spec Index, “Brontix CL-4776 Ultra 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/3097271 (accessed 2026-10-20).