Hardware Spec Index

Brontix FN-9959 Pro 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN9959-PRO · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index523 (Case Fans scale)
Category rank#27,494
Street price$19
Power3 W
Performance per dollar27.53
Released2021

Specifications

BrandBrontix
ModelBrontix FN-9959 Pro
Size140 × 140 × 25 mm
Speed300–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise27 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9959 Pro 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/4131738 (accessed 2026-10-23).