Hardware Spec Index

Brontix FN-9991 Core 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN9991-CORE · Released 2022 · Updated 2026-10-24

Key facts

Benchmark index978 (Case Fans scale)
Category rank#28,907
Street price$29
Power4 W
Performance per dollar33.72
Released2022

Specifications

BrandBrontix
ModelBrontix FN-9991 Core
Size140 × 140 × 25 mm
Speed200–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise28 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9991 Core 140mm PWM ARGB Case Fan”, https://vextor7.com/item/3055829 (accessed 2026-10-24).