Network: 1 x RJ-45 10/100/1000 Mbps Self-Adaptive Ethernet USB: 1 x Front USB 2.0 Port, 1 x Rear USB 3.0 Port Audio: 1-ch RCA Input; 1-ch RCA Output Alarm In/Out: 6/4 Power: 1 x DC Jack 1 x eSATA 1 x