Hardware Spec Index

Brontix CL-6421 Pro 240mm AIO Liquid CPU Cooler

CPU Coolers · Brontix · SKU CL6421-PRO · Released 2022 · Updated 2026-10-22

Key facts

Benchmark index794 (CPU Coolers scale)
Category rank#33,304
Street price$29
Power12 W
Performance per dollar27.38
Released2022

Specifications

BrandBrontix
ModelBrontix CL-6421 Pro
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 27 mm thick
Fans2× 120 mm, up to 2,000 RPM
Pump2,800 RPM
Rated cooling250 W (manufacturer rating)
Noise34 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-6421 Pro 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/3680429 (accessed 2026-10-22).