Quick Start Guide

Table 7. External ports (continued)
Description Values
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 5400 All-in-One.
Table 8. Internal slots
Description Values
PCIe expansion card slots Not supported
mSATA Not supported
SATA One SATA slot for 2.5-inch hard drive
M.2
● One M.2 2230 slot for Wi-Fi and Bluetooth card
● One M.2 2230/2280 slot for SSD (35 W)
● Two M.2 2230/2280 slot for SSD (65 W)
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.
Ethernet
The following table lists the wired Ethernet Local Area Network (LAN) specifications of your OptiPlex 5400 All-in-One.
Table 9. Ethernet specifications
Description Values
Model number
Intel i219-LM
Transfer rate
10/100/1000 Mbps
Wireless module
The following table lists the Wireless Local Area Network (WLAN) module specifications of your OptiPlex 5400 All-in-One.
Table 10. Wireless module specifications
Description Option one Option two Option three
Model number
Intel AX201 Intel AX211 Realtek RTL8822CE
Transfer rate
Up to 2400 Mbps Up to 2400 Mbps Up to 867 Mbps
Frequency bands supported
2.4 GHz/5 GHz 2.4 GHz/5 GHz/6 GHz 2.4 GHz/5 GHz
Wireless standards
● WiFi 802.11a/b/g ● WiFi 802.11a/b/g ● Wi-Fi 802.11a/b/g
Specifications of OptiPlex 5400 All-in-One 23