Hardware Spec Index

Brontix FN-3998 Ultra 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN3998-ULTRA · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index1,384 (Case Fans scale)
Category rank#26,213
Street price$49
Power3 W
Performance per dollar28.24
Released2021

Specifications

BrandBrontix
ModelBrontix FN-3998 Ultra
Size120 × 120 × 25 mm
Speed300–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 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-3998 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/807226 (accessed 2026-10-20).