Hardware Spec Index

Brontix FN-3781 Ti 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3781-TI · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index1,005 (Case Fans scale)
Category rank#40,462
Street price$39
Power2 W
Performance per dollar25.77
Released2020

Specifications

BrandBrontix
ModelBrontix FN-3781 Ti
Size140 × 140 × 25 mm
Speed300–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 mmH₂O
Noise35 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3781 Ti 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/54378056 (accessed 2026-10-20).