Hardware Spec Index

Brontix CL-6665 Ultra 420mm AIO Liquid CPU Cooler

CPU Coolers · Brontix · SKU CL6665-ULTRA · Released 2021 · Updated 2026-10-26

Key facts

Benchmark index2,131 (CPU Coolers scale)
Category rank#23,877
Street price$159
Power17 W
Performance per dollar13.40
Released2021

Specifications

BrandBrontix
ModelBrontix CL-6665 Ultra
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 27 mm thick
Fans3× 140 mm, up to 2,100 RPM
Pump3,400 RPM
Rated cooling330 W (manufacturer rating)
Noise24 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-6665 Ultra 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/4244332 (accessed 2026-10-26).