Hardware Spec Index

Brontix FN-3890 Ultra 140mm PWM Case Fan

Case Fans · Brontix · SKU FN3890-ULTRA · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index273 (Case Fans scale)
Category rank#22,807
Street price$9
Power3 W
Performance per dollar30.33
Released2021

Specifications

BrandBrontix
ModelBrontix FN-3890 Ultra
Size140 × 140 × 25 mm
Speed400–1,700 RPM (PWM)
Airflow81.6 CFM
Static pressure1.61 mmH₂O
Noise25 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3890 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/89020230 (accessed 2026-10-23).