Hardware Spec Index

Brontix FN-5231 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN5231-ULTRA · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index465 (Case Fans scale)
Category rank#13,623
Street price$19
Power3 W
Performance per dollar24.47
Released2022

Specifications

BrandBrontix
ModelBrontix FN-5231 Ultra
Size120 × 120 × 25 mm
Speed200–2,400 RPM (PWM)
Airflow81.6 CFM
Static pressure2.64 mmH₂O
Noise25 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-5231 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/5186152 (accessed 2026-10-21).