Hardware Spec Index

Brontix FN-5991 Plus 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN5991-PLUS · Released 2021 · Updated 2026-10-26

Key facts

Benchmark index653 (Case Fans scale)
Category rank#36,604
Street price$19
Power4 W
Performance per dollar34.37
Released2021

Specifications

BrandBrontix
ModelBrontix FN-5991 Plus
Size140 × 140 × 25 mm
Speed400–2,600 RPM (PWM)
Airflow124.8 CFM
Static pressure2.47 mmH₂O
Noise29 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-5991 Plus 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/99343055 (accessed 2026-10-26).