1 x 12V/5A In 4 x USB 2.0 I 4 x USB 3.0 I 2 x RJ45 Giga LAN 6 x COM RS232 (COM1,COM2 switchable to RS232/422/485) I 2x 3.5mm (1 x speakers and 1x microphone) 1 x GPIO I 1 x PS/2