Users Guide

1. Back panel
Connect USB, audio, video, and other devices.
2. PCI-Express X16 (graphics slot 1)
Connect a PCI-Express card such as graphics, audio, or network card to enhance the capabilities of your computer.
For optimal graphics performance, use a PCI-Express X16 slot for connecting the graphics card.
NOTE: The PCI-Express X16 slot works at X8 lanes only.
NOTE: If you have two graphics cards, the card installed in PCI-Express X16 (graphics slot 1) is the primary graphics card.
3. PCI-Express X4 slots (2)
Connect a PCI-Express card such as graphics, audio, or network card to enhance the capabilities of your computer.
NOTE: The PCI-Express X4 slot 3 works at X2 lanes only.
4. PCI-Express X16 (graphics slot 2)
Connect a PCI-Express card such as graphics, audio, or network card to enhance the capabilities of your computer.
For optimal graphics performance, use a PCI-Express X16 slot for connecting the graphics card.
NOTE: The PCI-Express X16 slot works at X8 lanes only.
5. Power-supply cage release-latches (2)
Allows you to remove the power supply unit from your computer.
6. Power-supply diagnostics button
Press to check the power‑supply state.
7. Power-supply diagnostics light
Indicates the power-supply state.
8. Power port
Connect a power cable to provide power to your computer.
9. 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.
10.Side panel release latch
Allows you to remove the side panel from your computer.
11. Security-cable slot (for Kensington locks)
Connect a security cable to prevent unauthorized movement of your computer.
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