Hardware Spec Index

Brontix FN-9831 Prime 140mm PWM Case Fan

Case Fans · Brontix · SKU FN9831-PRIME · Released 2026 · Updated 2026-10-23

Key facts

Benchmark index409 (Case Fans scale)
Category rank#29,336
Street price$19
Power3 W
Performance per dollar21.53
Released2026

Specifications

BrandBrontix
ModelBrontix FN-9831 Prime
Size140 × 140 × 25 mm
Speed400–2,200 RPM (PWM)
Airflow105.6 CFM
Static pressure2.09 mmH₂O
Noise35 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9831 Prime 140mm PWM Case Fan”, https://vextor7.com/item/6161344 (accessed 2026-10-23).