Hardware Spec Index

Brontix FN-9725 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN9725-ULTRA · Released 2023 · Updated 2026-10-24

Key facts

Benchmark index259 (Case Fans scale)
Category rank#12,024
Street price$9
Power4 W
Performance per dollar28.78
Released2023

Specifications

BrandBrontix
ModelBrontix FN-9725 Ultra
Size120 × 120 × 25 mm
Speed300–2,700 RPM (PWM)
Airflow91.8 CFM
Static pressure2.97 mmH₂O
Noise26 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9725 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/46560440 (accessed 2026-10-24).