Hardware Spec Index

Brontix CL-8409 Ultra 420mm AIO Liquid CPU Cooler

CPU Coolers · Brontix · SKU CL8409-ULTRA · Released 2023 · Updated 2026-10-24

Key facts

Benchmark index1,787 (CPU Coolers scale)
Category rank#39,795
Street price$109
Power17 W
Performance per dollar16.39
Released2023

Specifications

BrandBrontix
ModelBrontix CL-8409 Ultra
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 38 mm thick
Fans3× 140 mm, up to 1,700 RPM
Pump3,100 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-8409 Ultra 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/3233158 (accessed 2026-10-24).