Hardware Spec Index

Brontix FN-2991 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN2991-ULTRA · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index338 (Case Fans scale)
Category rank#2,868
Street price$9
Power3 W
Performance per dollar37.56
Released2021

Specifications

BrandBrontix
ModelBrontix FN-2991 Ultra
Size120 × 120 × 25 mm
Speed200–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 mmH₂O
Noise28 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-2991 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/724020 (accessed 2026-10-25).