Hardware Spec Index

Brontix FN-9891 Core 140mm PWM Case Fan

Case Fans · Brontix · SKU FN9891-CORE · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index516 (Case Fans scale)
Category rank#17,737
Street price$19
Power4 W
Performance per dollar27.16
Released2019

Specifications

BrandBrontix
ModelBrontix FN-9891 Core
Size140 × 140 × 25 mm
Speed200–2,700 RPM (PWM)
Airflow129.6 CFM
Static pressure2.56 mmH₂O
Noise25 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9891 Core 140mm PWM Case Fan”, https://vextor7.com/item/1330180 (accessed 2026-10-23).