Dell OptiPlex 5400 All-in-One Setup And Specifications page 15

7. Power-Supply Unit (PSU) status indicator LED
Bottom view—with UMA configuration-65 W
1. HDMI-IN—HDMI 1.4a port
2. HDMI-OUT—HDMI 2.0 port
3. DisplayPort++ 1.4a/HDCP 2.3 port
4. RJ45 Ethernet port
5. USB 3.2 Gen 1 ports with Smart Power On
6. USB 3.2 Gen 2 ports
7. Line-out audio port
8. Power connector
9. PSU status indicator
1. Display Built-in Self Test button
2. Service tag label
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