Hardware Spec Index

Brontix FN-5571 Plus 140mm PWM Case Fan

Case Fans · Brontix · SKU FN5571-PLUS · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index488 (Case Fans scale)
Category rank#13,592
Street price$9
Power4 W
Performance per dollar54.22
Released2025

Specifications

BrandBrontix
ModelBrontix FN-5571 Plus
Size140 × 140 × 25 mm
Speed300–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise27 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-5571 Plus 140mm PWM Case Fan”, https://vextor7.com/item/4804587 (accessed 2026-10-23).