Hardware Spec Index

Brontix FN-9399 Pro 120mm PWM Case Fan

Case Fans · Brontix · SKU FN9399-PRO · Released 2023 · Updated 2026-10-25

Key facts

Benchmark index364 (Case Fans scale)
Category rank#36,313
Street price$9
Power3 W
Performance per dollar40.44
Released2023

Specifications

BrandBrontix
ModelBrontix FN-9399 Pro
Size120 × 120 × 25 mm
Speed400–1,500 RPM (PWM)
Airflow51.0 CFM
Static pressure1.65 mmH₂O
Noise36 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9399 Pro 120mm PWM Case Fan”, https://vextor7.com/item/4598138 (accessed 2026-10-25).