Hardware Spec Index

Brontix FN-5231 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN5231-ULTRA · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index539 (Case Fans scale)
Category rank#27,952
Street price$19
Power4 W
Performance per dollar28.37
Released2024

Specifications

BrandBrontix
ModelBrontix FN-5231 Ultra
Size120 × 120 × 25 mm
Speed400–3,000 RPM (PWM)
Airflow102.0 CFM
Static pressure3.30 mmH₂O
Noise22 dBA
BearingRifle 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/46353838 (accessed 2026-10-19).