Hardware Spec Index

Brontix CL-9921 Ultra 360mm AIO Liquid CPU Cooler

CPU Coolers · Brontix · SKU CL9921-ULTRA · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index1,882 (CPU Coolers scale)
Category rank#36,561
Street price$109
Power15 W
Performance per dollar17.27
Released2020

Specifications

BrandBrontix
ModelBrontix CL-9921 Ultra
TypeAll-in-one liquid cooler
Radiator360 mm, aluminum, 38 mm thick
Fans3× 120 mm, up to 1,900 RPM
Pump2,800 RPM
Rated cooling300 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-9921 Ultra 360mm AIO Liquid CPU Cooler”, https://vextor7.com/item/63316995 (accessed 2026-10-22).