Serial (com2) connector
Front USB connectors (2)
Front audio connector
PCI Express X 1 adapter connectors (3)
PCI Express X 16 adapter connector
System fan connector
12V power connector
Lenovo H405
15
14
Microprocessor and heatsink
Microprocessor fan connector
Memory connectors (2)
Thermal sensor header connector
Power connector
13
Hardware Replacement Guide