Hardware Spec Index

Brontix CL-3991 Ultra Dual tower Air CPU Cooler

CPU Coolers · Brontix · SKU CL3991-ULTRA · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index2,470 (CPU Coolers scale)
Category rank#10,954
Street price$199
Power6 W
Performance per dollar12.41
Released2026

Specifications

BrandBrontix
ModelBrontix CL-3991 Ultra
TypeDual tower air cooler
Heat pipes8× 6 mm copper
Height165 mm
Fans2× 120 mm PWM, up to 2,100 RPM
Rated cooling280 W (manufacturer rating)
Noise29 dBA (max)
RAM clearanceOffset fin stack, 45 mm
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty6 years

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Cite this page: Hardware Spec Index, “Brontix CL-3991 Ultra Dual tower Air CPU Cooler”, https://vextor7.com/item/386190 (accessed 2026-10-20).