Hardware Spec Index

Brontix FN-9939 Max 140mm PWM Case Fan

Case Fans · Brontix · SKU FN9939-MAX · Released 2026 · Updated 2026-10-25

Key facts

Benchmark index256 (Case Fans scale)
Category rank#12,147
Street price$9
Power3 W
Performance per dollar28.44
Released2026

Specifications

BrandBrontix
ModelBrontix FN-9939 Max
Size140 × 140 × 25 mm
Speed500–2,000 RPM (PWM)
Airflow96.0 CFM
Static pressure1.90 mmH₂O
Noise31 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9939 Max 140mm PWM Case Fan”, https://vextor7.com/item/86529783 (accessed 2026-10-25).