Connect a PCI-Express card such as graphics, audio, or network card to
enhance the capabilities of your computer.
4 PCI-Express X4 slot
Connect a PCI-Express card such as graphics, audio, or network card to
enhance the capabilities of your computer.
5 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.
6 Bottom power-supply cage release-latch
Release to rotate the power supply, once the side panel is released.
7 Top power-supply cage release-latch
Release to rotate the power supply, once the side panel is released.
8 Power-supply diagnostics button
Press to check the power‑supply state.
9 Power-supply light
Indicates the power-supply light.
Press and hold the power-supply diagnostics button. The power-supply light
changes to green if the power-supply unit is working ne.
10 Power port
Connect a power cable to provide power to your computer.
11 Security-cable slot (for Kensington locks)
Connect a security cable to prevent unauthorized movement of your computer.
12 Side panel release latch
Pull to release and open the side panel.
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