Hardware Spec Index

Brontix FN-3917 Ultra 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN3917-ULTRA · Released 2026 · Updated 2026-10-26

Key facts

Benchmark index1,274 (Case Fans scale)
Category rank#41,102
Street price$39
Power4 W
Performance per dollar32.67
Released2026

Specifications

BrandBrontix
ModelBrontix FN-3917 Ultra
Size120 × 120 × 25 mm
Speed500–3,000 RPM (PWM)
Airflow102.0 CFM
Static pressure3.30 mmH₂O
Noise27 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3917 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/4771219 (accessed 2026-10-26).