Dell Latitude E5250, E5270, E5440, E5450, E5470, E5540, E5550, E5570, E6440, E6540, E7240, E7250, E7270, E7440, E7450, E7470
2 x display / video - DisplayPort - 20 pin DisplayPort
2 x display / video - DVI-Digital (dual link)
1 x display / video - VGA - 15 pin HD D-Sub (HD-15)
2 x SuperSpeed USB 3.0 - 9 pin USB Type A
1 x eSATA / USB 2.0 - 11 pin USB/eSATA
3 x USB 2.0
1 x network - Ethernet - RJ-45
1 x audio - output
1 x serial
1 x parallel
1 x audio - line-in/microphone