Hardware Spec Index

Brontix FN-3997 Ultra 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3997-ULTRA · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index1,354 (Case Fans scale)
Category rank#12,572
Street price$49
Power4 W
Performance per dollar27.63
Released2022

Specifications

BrandBrontix
ModelBrontix FN-3997 Ultra
Size120 × 120 × 25 mm
Speed400–2,800 RPM (PWM)
Airflow95.2 CFM
Static pressure3.08 mmH₂O
Noise24 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-3997 Ultra 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/20080286 (accessed 2026-10-20).