Hardware Spec Index

Brontix CL-6821 Ultra 360mm AIO Liquid CPU Cooler

CPU Coolers · Brontix · SKU CL6821-ULTRA · Released 2019 · Updated 2026-10-24

Key facts

Benchmark index2,119 (CPU Coolers scale)
Category rank#12,354
Street price$149
Power15 W
Performance per dollar14.22
Released2019

Specifications

BrandBrontix
ModelBrontix CL-6821 Ultra
TypeAll-in-one liquid cooler
Radiator360 mm, aluminum, 38 mm thick
Fans3× 120 mm, up to 2,200 RPM
Pump3,200 RPM
Rated cooling300 W (manufacturer rating)
Noise35 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty5 years

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Cite this page: Hardware Spec Index, “Brontix CL-6821 Ultra 360mm AIO Liquid CPU Cooler”, https://vextor7.com/item/7362422 (accessed 2026-10-24).