Hardware Spec Index

Brontix CL-3909 Ultra 280mm AIO Liquid CPU Cooler

CPU Coolers · Brontix · SKU CL3909-ULTRA · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index873 (CPU Coolers scale)
Category rank#23,984
Street price$29
Power13 W
Performance per dollar30.10
Released2020

Specifications

BrandBrontix
ModelBrontix CL-3909 Ultra
TypeAll-in-one liquid cooler
Radiator280 mm, aluminum, 27 mm thick
Fans2× 140 mm, up to 1,800 RPM
Pump2,900 RPM
Rated cooling280 W (manufacturer rating)
Noise33 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-3909 Ultra 280mm AIO Liquid CPU Cooler”, https://vextor7.com/item/16650486 (accessed 2026-10-21).