Hardware Spec Index

Brontix FN-4070 Plus 140mm PWM Case Fan

Case Fans · Brontix · SKU FN4070-PLUS · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index441 (Case Fans scale)
Category rank#28,830
Street price$19
Power3 W
Performance per dollar23.21
Released2020

Specifications

BrandBrontix
ModelBrontix FN-4070 Plus
Size140 × 140 × 25 mm
Speed400–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise30 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4070 Plus 140mm PWM Case Fan”, https://vextor7.com/item/20018478 (accessed 2026-10-20).