Hardware Spec Index

Brontix CL-3991 XT 240mm AIO Liquid CPU Cooler

CPU Coolers · Brontix · SKU CL3991-XT · Released 2023 · Updated 2026-10-23

Key facts

Benchmark index716 (CPU Coolers scale)
Category rank#47,758
Street price$19
Power12 W
Performance per dollar37.68
Released2023

Specifications

BrandBrontix
ModelBrontix CL-3991 XT
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 27 mm thick
Fans2× 120 mm, up to 1,600 RPM
Pump3,000 RPM
Rated cooling250 W (manufacturer rating)
Noise29 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty6 years

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Cite this page: Hardware Spec Index, “Brontix CL-3991 XT 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/31312562 (accessed 2026-10-23).