Hardware Spec Index

Brontix FN-9131 Prime 120mm PWM Case Fan

Case Fans · Brontix · SKU FN9131-PRIME · Released 2019 · Updated 2026-10-25

Key facts

Benchmark index604 (Case Fans scale)
Category rank#24,433
Street price$19
Power4 W
Performance per dollar31.79
Released2019

Specifications

BrandBrontix
ModelBrontix FN-9131 Prime
Size120 × 120 × 25 mm
Speed400–2,900 RPM (PWM)
Airflow98.6 CFM
Static pressure3.19 mmH₂O
Noise33 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9131 Prime 120mm PWM Case Fan”, https://vextor7.com/item/93976346 (accessed 2026-10-25).