Hardware Spec Index

Brontix FN-5091 Pro 120mm PWM Case Fan

Case Fans · Brontix · SKU FN5091-PRO · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index673 (Case Fans scale)
Category rank#32,506
Street price$19
Power3 W
Performance per dollar35.42
Released2025

Specifications

BrandBrontix
ModelBrontix FN-5091 Pro
Size120 × 120 × 25 mm
Speed400–2,100 RPM (PWM)
Airflow71.4 CFM
Static pressure2.31 mmH₂O
Noise33 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-5091 Pro 120mm PWM Case Fan”, https://vextor7.com/item/4486867 (accessed 2026-10-24).