1 x SuperSpeed USB 3.0 - 9 pin USB Type A ¦ 3 x USB 2.0 - 4 pin USB Type A ¦ 1 x network - Ethernet - RJ-45 ¦ 1 x serial - 9 pin D-Sub (DB-9) ¦ 1 x video - VGA - 15 pin HD D-Sub (HD-15) ¦ 1 x video - HDMI - 19 pin HDMI Type A ¦ 1 x headphones - mini-phone 3.5 mm ¦ 1 x microphone - mini-phone 3.5 mm ¦ 3 x antenna