Hardware Spec Index

Brontix FN-9891 SE 120mm PWM Case Fan

Case Fans · Brontix · SKU FN9891-SE · Released 2024 · Updated 2026-10-26

Key facts

Benchmark index270 (Case Fans scale)
Category rank#40,001
Street price$9
Power4 W
Performance per dollar30.00
Released2024

Specifications

BrandBrontix
ModelBrontix FN-9891 SE
Size120 × 120 × 25 mm
Speed400–2,800 RPM (PWM)
Airflow95.2 CFM
Static pressure3.08 mmH₂O
Noise31 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9891 SE 120mm PWM Case Fan”, https://vextor7.com/item/1360092 (accessed 2026-10-26).