Back panel
Connect USB, audio, video, and other devices.
Service Tag label
The Service Tag is a unique alphanumeric identifier that enables Dell service technicians to identify the hardware components in your computer and access warranty information.
Expansion-card slots
Provide access to ports on any installed PCI Express cards.
Power-supply diagnostics button
Press to check the power‑supply state.
Power-supply diagnostics light
Indicates the power-supply state.
Power port
Connect a power cable to provide power to your computer.
Padlock ring(s)
Attach a standard padlock to prevent unauthorized access to the interior of your computer.
Security-cable slot (for Kensington locks)
Connect a security cable to prevent unauthorized movement of your computer.