Hardware Spec Index

Brontix FN-9857 XT 120mm PWM Case Fan

Case Fans · Brontix · SKU FN9857-XT · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index592 (Case Fans scale)
Category rank#7,288
Street price$19
Power3 W
Performance per dollar31.16
Released2019

Specifications

BrandBrontix
ModelBrontix FN-9857 XT
Size120 × 120 × 25 mm
Speed500–1,600 RPM (PWM)
Airflow54.4 CFM
Static pressure1.76 mmH₂O
Noise33 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9857 XT 120mm PWM Case Fan”, https://vextor7.com/item/6894512 (accessed 2026-10-22).