Hardware Spec Index

Brontix FN-3981 Edge 140mm PWM Case Fan

Case Fans · Brontix · SKU FN3981-EDGE · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index244 (Case Fans scale)
Category rank#19,583
Street price$9
Power3 W
Performance per dollar27.11
Released2020

Specifications

BrandBrontix
ModelBrontix FN-3981 Edge
Size140 × 140 × 25 mm
Speed200–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise28 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3981 Edge 140mm PWM Case Fan”, https://vextor7.com/item/2520697 (accessed 2026-10-22).