Kensington security slotSim Card SlotUSB Type-C ThunderboltSmartCard readerSD card readerHeadphone/microphone combo jack | USB Type-C ThunderboltSecurity lockMicrophone/Headphone / Dock | USB Type-C (USB Power Delivery, DisplayPort)Headphone/microphone combo jack | Kensington security slotUSB Type-C ThunderboltSD card readerHeadphone/microphone combo jack |