Back panel
Connect USB, audio, video, and other devices.
PCI-express x4 slot
Connect a PCI-express card such as an audio or network card to enhance the capabilities of your computer.
PCI-express X16 slot
Connect a PCI-express graphics card to enhance the capabilities of your computer.
Expansion slot for dual-width graphics card
This expansion slot seats the bottom half of a dual-width graphics card if it is installed in the PCI-Express x16 slot.
PCI-express x4 slot
Connect a PCI-express card such as an audio or network card to enhance the capabilities of your computer.
Power port
Connect a power cable to provide power to your computer.
Power-supply diagnostics light
Indicates the power-supply state.
Security-cable slot (wedge-shaped)
Connect a security cable to prevent unauthorized movement of your computer.
Padlock rings
Attach a standard padlock to prevent unauthorized access to the interior of your computer.
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.