Lenovo H420 Desktop - Manual (Page 13)

8
Hardware Replacement Guide
USB connectors (4)
On-board VGA connector
Ethernet connector
Microphone connector
Audio line-out connector
Audio line-in connector
Standalone graphic card (Selected models only)
Expansion card slots (Access connectors for any installed PCI express cards)
Lenovo H415
Voltage selection switch (Selected models only)
Power connector
On-board VGA connector (Selected models only)
HDMI connector (Selected models only)
USB connectors (4)