Hardware Spec Index

Brontix CL-8257 Ultra 420mm AIO Liquid CPU Cooler

CPU Coolers · Brontix · SKU CL8257-ULTRA · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index1,857 (CPU Coolers scale)
Category rank#32,716
Street price$139
Power17 W
Performance per dollar13.36
Released2021

Specifications

BrandBrontix
ModelBrontix CL-8257 Ultra
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 38 mm thick
Fans3× 140 mm, up to 2,400 RPM
Pump2,800 RPM
Rated cooling330 W (manufacturer rating)
Noise25 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty6 years

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Cite this page: Hardware Spec Index, “Brontix CL-8257 Ultra 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/30454895 (accessed 2026-10-22).