4 x SuperSpeed USB 3.0 1 x network - 10Base-T/100Base-TX/1000Base-T - RJ-45 2 x display / video - Mini DisplayPort 1 x audio - line-out - mini-phone stereo 3.5 mm. 4 x SuperSpeed USB 3.0 1 x network - 10Base-T/100Base-TX/1000Base-T - RJ-45 2 x display / video - Mini DisplayPort 1 x audio - line-out - mini-phone stereo 3.5 mm