Hardware Spec Index

Brontix FN-3668 Pro 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3668-PRO · Released 2021 · Updated 2026-10-26

Key facts

Benchmark index481 (Case Fans scale)
Category rank#45,341
Street price$19
Power3 W
Performance per dollar25.32
Released2021

Specifications

BrandBrontix
ModelBrontix FN-3668 Pro
Size140 × 140 × 25 mm
Speed500–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise32 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3668 Pro 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/7995208 (accessed 2026-10-26).