MSI FR720 User Manual page 40

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3. USB 2.0/ 3.0 Port (Optional)
The USB 2.0 port allows you to connect USB-interface peripheral devices, such as the mouse,
keyboard, modem, portable hard disk module, printer and more.
USB 3.0, the SuperSpeed USB, delivers the higher interface speeds for connecting various
devices, such as storage devices, hard drives, or video cameras, and offers more advantages
over high-speed data transferring.
4. RJ-45 Connector
The 10/100/1000 Ethernet connector is used to connect a LAN cable for network connection.