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