Hardware Spec Index

Brontix FN-4391 SE 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN4391-SE · Released 2026 · Updated 2026-10-26

Key facts

Benchmark index704 (Case Fans scale)
Category rank#17,554
Street price$19
Power4 W
Performance per dollar37.05
Released2026

Specifications

BrandBrontix
ModelBrontix FN-4391 SE
Size120 × 120 × 25 mm
Speed500–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise27 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4391 SE 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/19632155 (accessed 2026-10-26).