Hardware Spec Index

Brontix FN-3221 Pro 140mm PWM Case Fan

Case Fans · Brontix · SKU FN3221-PRO · Released 2026 · Updated 2026-10-25

Key facts

Benchmark index657 (Case Fans scale)
Category rank#29,767
Street price$19
Power4 W
Performance per dollar34.58
Released2026

Specifications

BrandBrontix
ModelBrontix FN-3221 Pro
Size140 × 140 × 25 mm
Speed500–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise23 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3221 Pro 140mm PWM Case Fan”, https://vextor7.com/item/7847541 (accessed 2026-10-25).