Back panel
Connect USB, audio, video, and other devices.
PCI-Express X4 slot
Connect a PCI-Express card such as audio, network, or expansion card to enhance the capabilities of your computer.
PCI-Express X16
Connect a PCI-Express graphics card for optimal graphics performance.
PCI-Express X4 slot
Connect a PCI-Express card such as audio, network, or expansion card to enhance the capabilities of your computer.
Power-adapter port
Connect a power adapter to provide power to your computer.
Power-supply diagnostics light
Indicates the power-supply state.
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.
Padlock rings
Attach a standard padlock to prevent unauthorized access to the interior of your computer.
Side panel release latch
Pull the latch to quickly release the side panel from your computer.
Connect a security cable to prevent unauthorized movement of your computer.