Hardware Spec Index

Brontix FN-3975 SE 120mm PWM Case Fan

Case Fans · Brontix · SKU FN3975-SE · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index417 (Case Fans scale)
Category rank#10,825
Street price$9
Power4 W
Performance per dollar46.33
Released2021

Specifications

BrandBrontix
ModelBrontix FN-3975 SE
Size120 × 120 × 25 mm
Speed500–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise27 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3975 SE 120mm PWM Case Fan”, https://vextor7.com/item/7078231 (accessed 2026-10-20).