3. Side panel release latch
Pull the latch to quickly release the side panel from your computer.
4. Integrated external SMA antenna connectors
Connect the external antenna to improve the memory performance of your computer.
5. Power-supply diagnostics light
Indicates the power-supply state.
6. Power-adapter port
Connect a power adapter to provide power to your computer.
7. PCI-Express X4 slot
Connect a PCI-Express card such as audio, network, or expansion card to enhance the capabilities of your computer.
8. PCI-Express X4 slot
Connect a PCI-Express card such as audio, network, or expansion card to enhance the capabilities of your computer.
9. PCI-Express X16
Connect a PCI-Express graphics card for optimal graphics performance.
10. 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.
11. Back panel
Connect USB, audio, video, and other devices.
Back panel
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