Hardware Spec Index

Brontix FN-2491 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN2491-ULTRA · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index301 (Case Fans scale)
Category rank#17,178
Street price$9
Power4 W
Performance per dollar33.44
Released2025

Specifications

BrandBrontix
ModelBrontix FN-2491 Ultra
Size120 × 120 × 25 mm
Speed200–2,900 RPM (PWM)
Airflow98.6 CFM
Static pressure3.19 mmH₂O
Noise22 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-2491 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/83312517 (accessed 2026-10-21).