Dock/ Headphone/microphone combo jackSim Card Slot | Headphone/microphone combo jackKensington security slotUSB Type-C ThunderboltSD card reader | Headphone/microphone combo jackKensington security slotUSB Type-C ThunderboltSmartCard reader | Headphone/microphone combo jackKensington security slotUSB Type-C ThunderboltSD card reader |