Hardware Spec Index

Brontix FN-4540 Max 140mm PWM Case Fan

Case Fans · Brontix · SKU FN4540-MAX · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index307 (Case Fans scale)
Category rank#43,486
Street price$9
Power3 W
Performance per dollar34.11
Released2020

Specifications

BrandBrontix
ModelBrontix FN-4540 Max
Size140 × 140 × 25 mm
Speed200–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise34 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4540 Max 140mm PWM Case Fan”, https://vextor7.com/item/20082961 (accessed 2026-10-20).