Hardware Spec Index

Brontix CL-9903 Ultra 240mm AIO Liquid CPU Cooler

CPU Coolers · Brontix · SKU CL9903-ULTRA · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index1,228 (CPU Coolers scale)
Category rank#5,859
Street price$49
Power12 W
Performance per dollar25.06
Released2019

Specifications

BrandBrontix
ModelBrontix CL-9903 Ultra
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 27 mm thick
Fans2× 120 mm, up to 1,700 RPM
Pump2,900 RPM
Rated cooling250 W (manufacturer rating)
Noise29 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-9903 Ultra 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/3390917 (accessed 2026-10-22).