Hardware Spec Index

Brontix FN-9947 Prime 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN9947-PRIME · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index1,013 (Case Fans scale)
Category rank#37,747
Street price$39
Power4 W
Performance per dollar25.97
Released2020

Specifications

BrandBrontix
ModelBrontix FN-9947 Prime
Size140 × 140 × 25 mm
Speed300–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise35 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9947 Prime 140mm PWM ARGB Case Fan”, https://vextor7.com/item/51452704 (accessed 2026-10-20).