1. Power button    
2. Card reader*    
3. Microphone (3.5mm)    
4. Headphone / microphone combo jack (3.5mm)    
5. 1x USB-C® 3.2 Gen 1    
6. 2x USB 3.2 Gen 1    
7. 2x USB 3.2 Gen 2
8. Optical drive*    
9. Headphone (3.5mm)    
10. DisplayPort™ 1.4
11. HDMI® 1.4b
12. Serial
13. VGA
14. Ethernet (RJ-45)
15. 3x USB 2.0
16. 1x USB 2.0 (with smart power-on feature
17. Optional ports on expansion cards*
18. Power connector
19. 2x PS/2 ports (keyboard / mouse)*
20. Serial*