eSATA connector Power fan header
Front panel connector Clear CMOS jumper
Front USB connectors (2) Mini PCI-E slot
Mode switch connector Serial (COM2) connector
PCI express X 1 adapter slots (3) Front audio connector
PCI express X 16 adapter slot System fan header
Lenovo K415
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12V power connector Battery
Microprocessor and heat sink Microprocessor fan header
Memory slots (4) Thermal sensor header
