Hardware Spec Index

Brontix FN-7740 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN7740-ULTRA · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index788 (Case Fans scale)
Category rank#43,867
Street price$19
Power2 W
Performance per dollar41.47
Released2025

Specifications

BrandBrontix
ModelBrontix FN-7740 Ultra
Size140 × 140 × 25 mm
Speed300–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 mmH₂O
Noise35 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-7740 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/1065795 (accessed 2026-10-20).