Hardware Spec Index

Brontix FN-3998 Ultra 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN3998-ULTRA · Released 2020 · Updated 2026-10-26

Key facts

Benchmark index1,345 (Case Fans scale)
Category rank#20,565
Street price$49
Power3 W
Performance per dollar27.45
Released2020

Specifications

BrandBrontix
ModelBrontix FN-3998 Ultra
Size120 × 120 × 25 mm
Speed500–2,100 RPM (PWM)
Airflow71.4 CFM
Static pressure2.31 mmH₂O
Noise36 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3998 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/21927878 (accessed 2026-10-26).