Hardware Spec Index

Brontix FN-9781 Prime 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN9781-PRIME · Released 2026 · Updated 2026-10-21

Key facts

Benchmark index1,224 (Case Fans scale)
Category rank#21,015
Street price$39
Power4 W
Performance per dollar31.38
Released2026

Specifications

BrandBrontix
ModelBrontix FN-9781 Prime
Size140 × 140 × 25 mm
Speed500–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise26 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9781 Prime 140mm PWM ARGB Case Fan”, https://vextor7.com/item/85530484 (accessed 2026-10-21).