Hardware Spec Index

Brontix FN-3309 XT 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3309-XT · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index616 (Case Fans scale)
Category rank#5,058
Street price$19
Power3 W
Performance per dollar32.42
Released2021

Specifications

BrandBrontix
ModelBrontix FN-3309 XT
Size140 × 140 × 25 mm
Speed300–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise26 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3309 XT 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/54777730 (accessed 2026-10-25).