Hardware Spec Index

Brontix FN-3745 Pro 140mm PWM Case Fan

Case Fans · Brontix · SKU FN3745-PRO · Released 2025 · Updated 2026-10-18

Key facts

Benchmark index293 (Case Fans scale)
Category rank#37,766
Street price$9
Power3 W
Performance per dollar32.56
Released2025

Specifications

BrandBrontix
ModelBrontix FN-3745 Pro
Size140 × 140 × 25 mm
Speed400–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise28 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3745 Pro 140mm PWM Case Fan”, https://vextor7.com/item/97278051 (accessed 2026-10-18).