Hardware Spec Index

Brontix FN-7904 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN7904-ULTRA · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index454 (Case Fans scale)
Category rank#28,708
Street price$19
Power3 W
Performance per dollar23.89
Released2024

Specifications

BrandBrontix
ModelBrontix FN-7904 Ultra
Size140 × 140 × 25 mm
Speed400–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise34 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-7904 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/4227565 (accessed 2026-10-25).