This 5V power supply can provide a power source for any electronic device that has an N-type barrel and requires 5 volts and up to 3 amps of power.Replace your failed or lost power adapterThe DC power supply is a perfect replacement for the lost or damaged power adapter you've used to power your existing electronics.Keep a spare power adapter on handWhen downtime isn't an option. keeping spare power adapters on hand ensures that you won't be left waiting for a replacement to arrive or have to replace your devices just for the sake of a compatible power source.This 5 volt 3 amp power adapter is a direct replacement for the power adapters included with the following StarTech.com products:1.5 km VDSL2 Extender Kit550 m Gigabit Ethernet Fiber Media Converter MM LC MST Hub - DisplayPort to DisplayPort Splitter3-Port MST Hub - DisplayPort to HDMI Splitter4-Port MST Hub - DisplayPort to DisplayPort Splitter3-Port MST Hub - Mini DisplayPort to DisplayPort Splitter3-Port MST Hub - Mini DisplayP