Hardware Spec Index

Brontix CL-1221 Ultra 420mm AIO Liquid CPU Cooler

CPU Coolers · Brontix · SKU CL1221-ULTRA · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index2,431 (CPU Coolers scale)
Category rank#37,475
Street price$199
Power17 W
Performance per dollar12.22
Released2020

Specifications

BrandBrontix
ModelBrontix CL-1221 Ultra
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 27 mm thick
Fans3× 140 mm, up to 1,600 RPM
Pump3,100 RPM
Rated cooling330 W (manufacturer rating)
Noise32 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-1221 Ultra 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/4859362 (accessed 2026-10-25).