Back
1 Back panel
Connect USB, audio, video, and other devices.
2 Discrete graphics-card ports
Connect external displays to corresponding ports on the discrete graphics card.
3 Power port
Connect a power cable to provide power to your computer.
4 Service Tag label
The Service Tag is a unique alphanumeric identier that enables Dell service technicians to identify the hardware components in your
computer and access warranty information.
5 Power-supply diagnostics light
Indicates the power-supply state.
6 Power-supply diagnostics button
Press to check the power‑supply state.
7 Expansion-card slots (5)
Connect a PCI/PCI-Express card such as graphics, audio, or network card to enhance the capabilities of your computer.
8 Padlock ring(s)
Attach a standard padlock to prevent unauthorized access to the interior of your computer.
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