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External ports
The following table lists the external ports of your OptiPlex 7400 All-in-One.
Table 7. External ports
Description
Network port
USB ports
Audio port
Video port
Media-card reader
Power-adapter port
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
PCIe expansion card slots
mSATA
SATA
M.2
Values
One RJ45 Ethernet port (rear)
● 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)
● One universal audio port (side)
● One Line-out audio port (rear)
● One DisplayPort++ 1.4a/HDCP 2.3 port
● One HDMI-IN—HDMI 1.4a port
● One HDMI-OUT—HDMI 2.0 port
One SD 4.0 card slot (side)
Not supported
One Kensington security-cable slot
Values
Not supported
Not supported
One SATA slot for 2.5-inch hard drive (with UMA
configuration)
● 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
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