Hardware Spec Index

Brontix FN-4709 Prime 120mm PWM Case Fan

Case Fans · Brontix · SKU FN4709-PRIME · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index397 (Case Fans scale)
Category rank#38,300
Street price$9
Power4 W
Performance per dollar44.11
Released2022

Specifications

BrandBrontix
ModelBrontix FN-4709 Prime
Size120 × 120 × 25 mm
Speed500–2,700 RPM (PWM)
Airflow91.8 CFM
Static pressure2.97 mmH₂O
Noise30 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4709 Prime 120mm PWM Case Fan”, https://vextor7.com/item/20030737 (accessed 2026-10-19).