Back panel
Connect USB, audio, video and other devices.
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 this slot for connecting the graphics card.
PCI-Express x1 slots (2)
Connect a PCI-Express card such as graphics, audio, or network card to enhance the capabilities of your computer.
PCI-Express x4 slot
Connect a PCI-Express card such as graphics, audio, or network card to enhance the capabilities of your computer.
Regulatory label
Contains regulatory information about your computer.
Bottom power-supply cage release-latch
Allows you to remove the power supply unit from your computer.
Service Tag label
Provides the Service Tag and Express Service Code needed when contacting Dell.
Top power-supply cage release-latch
Allows you to remove the power supply unit from your computer.
Power supply light
Indicates the power-supply state.
Power-supply diagnostic button
Press to check the power‑supply state.
Power port
Connect a power cable to provide power to your computer.
Security-cable slot
Connect a security cable to prevent unauthorized movement of your computer.