Ports & Slots Ports 1. DC-in | 2. Mini Serial RS-232 port | 3. USB 3.0 Type-C port with DisplayPort Alt Mode/PowerShare | 4. USB 3.1 Type-A with Power Delivery | 5. Micro SD-card slot | 6. Combo mic/headphone Jack | 7. Fan exhaust | 8. Kensington lock slot