Ports Spec: 3 x 4-pin Type A USB 2.0 USB
1 x 4-pin Type A USB 2.0 Powered USB
1 x RJ-45 Network
1 x RJ-11 Modem
1 x 25-pin DB-25 IEEE 1284 (EPP/ECP) Parallel
1 x 9-pin DB-9 RS-232 Serial
1 x 6-pin mini-DIN (PS/2) Keyboard
1 x 6-pin mini-DIN (PS/2) Mouse
1 x 15-pin HD-15 VGA
1 x 24-pin DVI-D
1 x 3.5mm Audio Line Out
1 x Audio Line In
Ports Spec: 4 x USB 3.0 ports (Always-On)
2 x USB 2.0 ports (1 Always-On, 1 powered)
1 x eSATA adapter
1 x Line-in jack
1 x Audio-out (headphone) jack
2 x DisplayPort
1 x VGA
2 x DVI-D AC adapter connector with light
1 x Mouse connector
1 x Keyboard connector
1 x Parallel port
1 x Serial port
1 x Monitor stand port
1 x RJ-45 (network) jack