Back View - Dell Precision 3431 Small Form Factor Setup And Specifications Manual

Back view

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