Hardware Spec Index

Brontix FN-5991 Max 140mm PWM Case Fan

Case Fans · Brontix · SKU FN5991-MAX · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index322 (Case Fans scale)
Category rank#33,023
Street price$9
Power4 W
Performance per dollar35.78
Released2020

Specifications

BrandBrontix
ModelBrontix FN-5991 Max
Size140 × 140 × 25 mm
Speed300–2,600 RPM (PWM)
Airflow124.8 CFM
Static pressure2.47 mmH₂O
Noise23 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-5991 Max 140mm PWM Case Fan”, https://vextor7.com/item/6049080 (accessed 2026-10-22).