Hardware Spec Index

Brontix FN-3984 SE 120mm PWM Case Fan

Case Fans · Brontix · SKU FN3984-SE · Released 2022 · Updated 2026-10-26

Key facts

Benchmark index356 (Case Fans scale)
Category rank#3,638
Street price$9
Power2 W
Performance per dollar39.56
Released2022

Specifications

BrandBrontix
ModelBrontix FN-3984 SE
Size120 × 120 × 25 mm
Speed300–1,400 RPM (PWM)
Airflow47.6 CFM
Static pressure1.54 mmH₂O
Noise29 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3984 SE 120mm PWM Case Fan”, https://vextor7.com/item/3071259 (accessed 2026-10-26).