Hardware Spec Index

Brontix FN-5231 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN5231-ULTRA · Released 2023 · Updated 2026-10-23

Key facts

Benchmark index476 (Case Fans scale)
Category rank#13,180
Street price$19
Power3 W
Performance per dollar25.05
Released2023

Specifications

BrandBrontix
ModelBrontix FN-5231 Ultra
Size120 × 120 × 25 mm
Speed300–2,400 RPM (PWM)
Airflow81.6 CFM
Static pressure2.64 mmH₂O
Noise30 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-5231 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/2946891 (accessed 2026-10-23).