Lenovo IdeaCentre K330B Hardware Replacement Manual page 14

Power fan connector
Front panel connector
Front USB connectors (3)
Serial (com2) connector
Front audio connector
PCI express X 1 adapter connectors (2)
PCI express X 16 adapter connectors (2)
System fan connector
12V power connector
IdeaCentre K330A
Microprocessor and heat sink
Microprocessor fan connector
Memory connectors (4)
Thermal sensor header connector
11
Hardware Replacement Guide