Kensington security slotUSB Type-C ThunderboltSD card readerHeadphone/microphone combo jack | Kensington security slotUSB Type-C ThunderboltSmartCard readerHeadphone/microphone combo jack | USB Type-C ThunderboltSecurity lockMicrophone/Headphone / Dock | Sim Card SlotUSB Type-C ThunderboltDock/ Headphone/microphone combo jack |