Hardware Spec Index

Brontix FN-5309 Plus 140mm PWM Case Fan

Case Fans · Brontix · SKU FN5309-PLUS · Released 2025 · Updated 2026-10-26

Key facts

Benchmark index499 (Case Fans scale)
Category rank#30,854
Street price$19
Power4 W
Performance per dollar26.26
Released2025

Specifications

BrandBrontix
ModelBrontix FN-5309 Plus
Size140 × 140 × 25 mm
Speed400–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise34 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-5309 Plus 140mm PWM Case Fan”, https://vextor7.com/item/19982567 (accessed 2026-10-26).