Dell Precision 3530 - Technology and Components; Power Adapter; DDR4

Back view
1 Network port 2 HDMI port
3 USB 3.1 Gen 1 port 4 Power connector port
Left view
1
Display Port over USB Type-C connector (optional
Thunderbolt™ 3)
2 USB 3.1 Gen 1 port
3 SD Card reader 4 Smart Card reader (optional)
8 Chassis view