Dock/ Headphone/microphone combo jack | SmartCard readerHeadphone/microphone combo jackKensington security slotUSB Type-C Thunderbolt | USB Type-C ThunderboltSmartCard readerSD card readerHeadphone/microphone combo jackKensington security slotSim Card Slot | Dock/ Headphone/microphone combo jackSim Card SlotUSB Type-C Thunderbolt |