Hardware Spec Index

Brontix FN-9855 Prime 140mm PWM Case Fan

Case Fans · Brontix · SKU FN9855-PRIME · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index571 (Case Fans scale)
Category rank#38,235
Street price$19
Power4 W
Performance per dollar30.05
Released2024

Specifications

BrandBrontix
ModelBrontix FN-9855 Prime
Size140 × 140 × 25 mm
Speed500–2,600 RPM (PWM)
Airflow124.8 CFM
Static pressure2.47 mmH₂O
Noise27 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9855 Prime 140mm PWM Case Fan”, https://vextor7.com/item/2417954 (accessed 2026-10-19).