Hardware Spec Index

Brontix FN-3571 Prime 140mm PWM Case Fan

Case Fans · Brontix · SKU FN3571-PRIME · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index208 (Case Fans scale)
Category rank#11,745
Street price$9
Power4 W
Performance per dollar23.11
Released2025

Specifications

BrandBrontix
ModelBrontix FN-3571 Prime
Size140 × 140 × 25 mm
Speed400–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise27 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3571 Prime 140mm PWM Case Fan”, https://vextor7.com/item/7936656 (accessed 2026-10-20).