Back panel
Connect USB, audio, video, and other devices.
PCI-Express x1 slot
Connect a PCI-Express card such as graphics, audio, or network card to enhance the capabilities of your computer.
PCI-Express x16 (graphics) slot 1
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 graphics, 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.