Hardware Spec Index

Brontix FN-4709 Ultra 140mm PWM Case Fan

Case Fans · Brontix · SKU FN4709-ULTRA · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index580 (Case Fans scale)
Category rank#6,080
Street price$19
Power3 W
Performance per dollar30.53
Released2021

Specifications

BrandBrontix
ModelBrontix FN-4709 Ultra
Size140 × 140 × 25 mm
Speed200–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise34 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4709 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/7103199 (accessed 2026-10-23).