Hardware Spec Index

Brontix FN-3911 Core 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN3911-CORE · Released 2024 · Updated 2026-10-23

Key facts

Benchmark index1,038 (Case Fans scale)
Category rank#40,774
Street price$29
Power3 W
Performance per dollar35.79
Released2024

Specifications

BrandBrontix
ModelBrontix FN-3911 Core
Size140 × 140 × 25 mm
Speed400–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 mmH₂O
Noise31 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3911 Core 140mm PWM ARGB Case Fan”, https://vextor7.com/item/24524790 (accessed 2026-10-23).