Select between 4GB and 64GB DDR4 RAM. (Note: The 15.6" screen model will include the dedicated number pad, the 14" model will not). Connectivity: Headphone/microphone combo jack, DisplayPort over USB Type-C, USB 3.1 Gen1 Connector, SD Card Reader, SmartCard Reader (Optional), SIM-card Slot (Optional), VGA, HDMI, Gigabit Ethernet (RJ-45).