User Manual

Table 7. Memory configuration matrix (continued)
SO-DIMM1 SO-DIMM2
4 GB DDR4 4 GB NA
8 GB DDR4 8 GB NA
8 GB DDR4 4 GB 4 GB
16 GB DDR4 16 GB NA
16 GB DDR4 8 GB 8 GB
32 GB DDR4 32 GB NA
32 GB DDR4 16 GB 16 GB
64 GB DDR4 32 GB 32 GB
External ports
The following table lists the external ports of your Optiplex 5490.
Table 8. External ports
Description Values
Network port
One RJ-45 Ethernet port (rear)
USB ports
● One USB 3.2 Gen 2x1 Type-C port (side)
● One USB 3.2 Gen 2 port (side)
● Two USB 3.2 Gen 2 ports (rear)
● Two USB 2.0 ports with Smart Power On (rear)
Audio port
● One Universal audio port (side)
● One Line-out audio port (rear)
Video port
One DP++ 1.4/HDCP 2.3 port (rear)
Media-card reader
One SD 4.0 card slot (side)
Power-adapter port
Not supported
Security-cable slot
One Kensington security-cable slot
Internal slots
The following table lists the internal slots of your Optiplex 5490.
Table 9. Internal slots
Description Values
M.2
● One M.2 2230 slot for Wi-Fi and Bluetooth card
● One M.2 2230/2280 slots for solid-state drive
NOTE: To learn more about the features of different
types of M.2 cards, see the knowledge base article
000144170 at www.dell.com/support.
24 Specifications of Optiplex 5490