Hardware Spec Index

Brontix CL-6403 XT 420mm AIO Liquid CPU Cooler

CPU Coolers · Brontix · SKU CL6403-XT · Released 2025 · Updated 2026-10-22

Key facts

Benchmark index1,992 (CPU Coolers scale)
Category rank#40,788
Street price$149
Power17 W
Performance per dollar13.37
Released2025

Specifications

BrandBrontix
ModelBrontix CL-6403 XT
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 38 mm thick
Fans3× 140 mm, up to 2,200 RPM
Pump3,400 RPM
Rated cooling330 W (manufacturer rating)
Noise29 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty5 years

Related guides

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Cite this page: Hardware Spec Index, “Brontix CL-6403 XT 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/7095031 (accessed 2026-10-22).