Hardware Spec Index

Brontix FN-4491 XT 120mm PWM Case Fan

Case Fans · Brontix · SKU FN4491-XT · Released 2023 · Updated 2026-10-23

Key facts

Benchmark index676 (Case Fans scale)
Category rank#48,899
Street price$19
Power2 W
Performance per dollar35.58
Released2023

Specifications

BrandBrontix
ModelBrontix FN-4491 XT
Size120 × 120 × 25 mm
Speed500–1,400 RPM (PWM)
Airflow47.6 CFM
Static pressure1.54 mmH₂O
Noise32 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4491 XT 120mm PWM Case Fan”, https://vextor7.com/item/868175 (accessed 2026-10-23).