Hardware Spec Index

Brontix FN-7781 Edge 140mm PWM Case Fan

Case Fans · Brontix · SKU FN7781-EDGE · Released 2019 · Updated 2026-10-25

Key facts

Benchmark index704 (Case Fans scale)
Category rank#21,093
Street price$19
Power4 W
Performance per dollar37.05
Released2019

Specifications

BrandBrontix
ModelBrontix FN-7781 Edge
Size140 × 140 × 25 mm
Speed300–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise36 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-7781 Edge 140mm PWM Case Fan”, https://vextor7.com/item/85546879 (accessed 2026-10-25).