Lenovo IdeaCentre B550 Hardware Maintenance Manual page 29

Rear view
The following illustration shows the location of connectors and components on the rear of the computer.
1. TV tuner port (selected models only)
2. HDMI-in connector (selected models only)
3. HDMI-out connector
4. USB 3.0 connectors (2) (selected models only)
5. USB 2.0 connectors (2)
6. Ethernet connector
7. Power connector
8. Air vents (do not block)
.
Chapter 7 Locating connectors, controls and components
23