Back Panel - Dell XPS 8940 Setup And Specifications

1. Back panel

Connect USB, audio, video, and other devices.
2. PCI-Express x1 slot
Connect a PCI-Express card such as graphics, audio, or network card to enhance the capabilities of your computer.
3. PCI-Express x16 (graphics) slot 1
Connect a PCI-Express graphics card to enhance the capabilities of your computer.
4. 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.
5. PCI-Express x4 slot
Connect a PCI-Express card such as graphics, audio, or network card to enhance the capabilities of your computer.
6. Power port
Connect a power cable to provide power to your computer.
7. Power-supply diagnostics light
Indicates the power-supply state.
8. Security-cable slot (wedge-shaped)
Connect a security cable to prevent unauthorized movement of your computer.
Back panel
1. Line-out port
Connect speakers.
2. Rear L/R surround port
Connect audio-output devices such as speakers and amplifiers. In a 5.1 speaker channel setup, connect the rear-left and rear-right
speakers.
3. Center/subwoofer LFE surround port
Connect the subwoofer.
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