Hardware Spec Index

Brontix FN-1891 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN1891-ULTRA · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index679 (Case Fans scale)
Category rank#31,812
Street price$19
Power3 W
Performance per dollar35.74
Released2025

Specifications

BrandBrontix
ModelBrontix FN-1891 Ultra
Size120 × 120 × 25 mm
Speed200–2,200 RPM (PWM)
Airflow74.8 CFM
Static pressure2.42 mmH₂O
Noise32 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-1891 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/17936629 (accessed 2026-10-25).