Hardware Spec Index

Brontix FN-9991 Core 120mm PWM Case Fan

Case Fans · Brontix · SKU FN9991-CORE · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index685 (Case Fans scale)
Category rank#4,045
Street price$19
Power4 W
Performance per dollar36.05
Released2019

Specifications

BrandBrontix
ModelBrontix FN-9991 Core
Size120 × 120 × 25 mm
Speed400–2,900 RPM (PWM)
Airflow98.6 CFM
Static pressure3.19 mmH₂O
Noise23 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9991 Core 120mm PWM Case Fan”, https://vextor7.com/item/51150 (accessed 2026-10-19).