Hardware Spec Index

Brontix FN-9939 XT 120mm PWM Case Fan

Case Fans · Brontix · SKU FN9939-XT · Released 2022 · Updated 2026-10-27

Key facts

Benchmark index587 (Case Fans scale)
Category rank#46,465
Street price$19
Power4 W
Performance per dollar30.89
Released2022

Specifications

BrandBrontix
ModelBrontix FN-9939 XT
Size120 × 120 × 25 mm
Speed200–3,000 RPM (PWM)
Airflow102.0 CFM
Static pressure3.30 mmH₂O
Noise22 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9939 XT 120mm PWM Case Fan”, https://vextor7.com/item/7213823 (accessed 2026-10-27).