(1) RJ-45/Ethernet, (1) USB 3.1 Gen 1 (charging), (1) USB 3.1 Gen 1, (1) Security lock slot, (1) HDMI 2.0b, (1) Stereo microphone-in/headphone-out combo jack, (1) USB 3.1 Gen 1, (1) Power connector, (2) USB Type-C supporting, Thunderbolt 3, Pass through support DisplayPort 1.4 (Mini DisplayPort 1.4 with discrete, 1.2 with UMA), USB 3.1 Gen 2, Battery Charging 1.2