Hardware Spec Index

Brontix FN-4251 Ultra 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN4251-ULTRA · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index1,222 (Case Fans scale)
Category rank#37,789
Street price$39
Power3 W
Performance per dollar31.33
Released2021

Specifications

BrandBrontix
ModelBrontix FN-4251 Ultra
Size120 × 120 × 25 mm
Speed200–2,200 RPM (PWM)
Airflow74.8 CFM
Static pressure2.42 mmH₂O
Noise32 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4251 Ultra 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/31316888 (accessed 2026-10-23).