Hardware Spec Index

Brontix FN-9781 Prime 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN9781-PRIME · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index1,366 (Case Fans scale)
Category rank#10,683
Street price$49
Power4 W
Performance per dollar27.88
Released2022

Specifications

BrandBrontix
ModelBrontix FN-9781 Prime
Size120 × 120 × 25 mm
Speed200–3,000 RPM (PWM)
Airflow102.0 CFM
Static pressure3.30 mmH₂O
Noise26 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-9781 Prime 120mm PWM ARGB Case Fan”, https://vextor7.com/item/92379042 (accessed 2026-10-19).