Dell Precision 3431 Small Form Factor - Back View

Back view
1 Line-out port 2 PS/2 keyboard port
3 Serial port 4 PS/2 mouse port
5 DisplayPort/HDMI 2.0/VGA/USB Type-C Alt-Mode (optional) 6 DisplayPort * 2
7 Service tag label 8 USB 3.1 Gen 1 ports
9 USB 2.0 ports(supports SmartPower On) 10 RJ45 network port
11 Expansion card slots 12 Power cable connector
13 Power activity light 14 Release latch
15 Antennas 16 Kensington security cable slot
17 Padlock ring
Chassis overview 9