Hardware Spec Index

Brontix FN-9840 Ti 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN9840-TI · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index413 (Case Fans scale)
Category rank#32,028
Street price$9
Power3 W
Performance per dollar45.89
Released2021

Specifications

BrandBrontix
ModelBrontix FN-9840 Ti
Size120 × 120 × 25 mm
Speed500–2,100 RPM (PWM)
Airflow71.4 CFM
Static pressure2.31 mmH₂O
Noise34 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9840 Ti 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/85966921 (accessed 2026-10-24).