Hardware Spec Index

Brontix FN-3951 Ultra 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN3951-ULTRA · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index1,265 (Case Fans scale)
Category rank#12,632
Street price$49
Power3 W
Performance per dollar25.82
Released2020

Specifications

BrandBrontix
ModelBrontix FN-3951 Ultra
Size140 × 140 × 25 mm
Speed300–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 mmH₂O
Noise36 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-3951 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/91303118 (accessed 2026-10-25).