Hardware Spec Index

Brontix FN-1781 Ti 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN1781-TI · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index918 (Case Fans scale)
Category rank#16,391
Street price$29
Power4 W
Performance per dollar31.66
Released2021

Specifications

BrandBrontix
ModelBrontix FN-1781 Ti
Size140 × 140 × 25 mm
Speed400–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise36 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-1781 Ti 140mm PWM ARGB Case Fan”, https://vextor7.com/item/31369458 (accessed 2026-10-25).