External ports
The following table lists the external ports of your Latitude 5431.
Table 7. External ports
Description Values
Network port
One RJ45 Ethernet port
USB ports
● One USB 3.2 Gen 1 port
● One USB 3.2 Gen 1 port with PowerShare
● Two Thunderbolt 4 ports with DisplayPort Alt Mode/
USB4/Power Delivery
Audio port
One headset (headphone and microphone combo) port
Video port
HDMI 2.0 port
Media-card reader
One microSD-card slot
SIM-card slot One microSIM-card slot
Power-adapter port
USB Type-C power input
Security-cable slot
One wedge-shaped lock slot
Internal slots
The following table lists the internal slots of your Latitude 5431.
Table 8. Internal slots
Description Values
M.2
● One M.2 2230 slot for WiFi and Bluetooth card
● One M.2 2230/2280 slot for solid-state drive
● One M.2 3042 Key-B slot for WWAN (optional)
NOTE: To learn more about the features of different
types of M.2 cards, search in the Knowledge Base
Resource at www.dell.com/support.
Ethernet
The following table lists the wired Ethernet Local Area Network (LAN) specifications of your Latitude 5431.
Table 9. Ethernet specifications
Description Values
Model number
Intel I219-V/Intel I219-LM
Transfer rate
10/100/1000 Mbps
Specifications of Latitude 5431 13