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 identifier 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 fine.
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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