External ports
The following table lists the external ports of your OptiPlex 7400 All-in-One.
Table 7. External ports
Description Values
Network port
One RJ45 Ethernet port (rear)
USB ports
● One USB 3.2 Gen 2x2 Type-C port (side)
● One USB 3.2 Gen 1 port with PowerShare (side)
● Two USB 3.2 Gen 2 ports (rear)
● Two USB 3.2 Gen 1 ports with Smart Power On (rear)
Audio port
● One universal audio port (side)
● One Line-out audio port (rear)
Video port
● One DisplayPort++ 1.4a/HDCP 2.3 port
● One HDMI-IN—HDMI 1.4a port
● One HDMI-OUT—HDMI 2.0 port
Media-card reader
One SD 4.0 card slot (side)
Power-adapter port
Not supported
Security-cable slot
One Kensington security-cable slot
● PowerShare port—Provides data transfer speed up to 5 Gbps. PowerShare enables you to charge your USB devices even
when your computer is turned off.
● Smart Power On port—Provides data transfer speed up to 5 Gbps. Wakes the computer from standby with the keyboard or
mouse connected to this port through BIOS settings.
Internal slots
The following table lists the internal slots of your OptiPlex 7400 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 (with UMA
configuration)
M.2
● One M.2 2230 slot for Wi-Fi and Bluetooth card
● Two M.2 2230/2280 slots for SSD
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.
Specifications of OptiPlex 7400 All-in-One 23
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