Hardware Spec Index

Brontix FN-8391 Pro 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN8391-PRO · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index715 (Case Fans scale)
Category rank#17,940
Street price$19
Power3 W
Performance per dollar37.63
Released2019

Specifications

BrandBrontix
ModelBrontix FN-8391 Pro
Size120 × 120 × 25 mm
Speed300–2,300 RPM (PWM)
Airflow78.2 CFM
Static pressure2.53 mmH₂O
Noise22 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-8391 Pro 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/16620729 (accessed 2026-10-21).