Lenovo ThinkCentre M910x User Manual And Hardware Maintenance Manual page 5

Overview
USB 3.0 connector
16
Used to connect a device that requires a USB 2.0 or USB 3.0
connection.
DisplayPort connector
17
Used to send or receive audio and video signals. You can attach
a compatible audio or video device to this connector, such as a
high-performance monitor.
Power adapter connector
18
Used to connect the power adapter to your computer for power
supply.
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