Hardware Spec Index

Brontix FN-3891 Max 120mm PWM Case Fan

Case Fans · Brontix · SKU FN3891-MAX · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index501 (Case Fans scale)
Category rank#32,977
Street price$19
Power3 W
Performance per dollar26.37
Released2024

Specifications

BrandBrontix
ModelBrontix FN-3891 Max
Size120 × 120 × 25 mm
Speed200–2,100 RPM (PWM)
Airflow71.4 CFM
Static pressure2.31 mmH₂O
Noise25 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3891 Max 120mm PWM Case Fan”, https://vextor7.com/item/20036216 (accessed 2026-10-19).