Hardware Spec Index

Brontix FN-2991 Plus 140mm PWM Case Fan

Case Fans · Brontix · SKU FN2991-PLUS · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index750 (Case Fans scale)
Category rank#22,120
Street price$19
Power4 W
Performance per dollar39.47
Released2024

Specifications

BrandBrontix
ModelBrontix FN-2991 Plus
Size140 × 140 × 25 mm
Speed500–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise30 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-2991 Plus 140mm PWM Case Fan”, https://vextor7.com/item/24257643 (accessed 2026-10-19).