Hardware Spec Index

Brontix FN-9903 SE 120mm PWM Case Fan

Case Fans · Brontix · SKU FN9903-SE · Released 2023 · Updated 2026-10-24

Key facts

Benchmark index381 (Case Fans scale)
Category rank#12,792
Street price$9
Power3 W
Performance per dollar42.33
Released2023

Specifications

BrandBrontix
ModelBrontix FN-9903 SE
Size120 × 120 × 25 mm
Speed200–1,600 RPM (PWM)
Airflow54.4 CFM
Static pressure1.76 mmH₂O
Noise29 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9903 SE 120mm PWM Case Fan”, https://vextor7.com/item/162465 (accessed 2026-10-24).