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35
PCIe x4 card slot
37
PCIe x8 card slot
39
Cover presence switch connector (intrusion switch
connector)
41
SATA Serial (COM) connector
Internal storage drives
Internal storage drives are devices that your computer uses to read and store data. You can add drives to
your computer to increase storage capacity and enable your computer to read other types of media. Internal
storage drives are installed in bays.
When you install or replace an internal storage drive, note the type and size of the drive that each bay
supports and correctly connect the required cables. Refer to the appropriate section in "Removing and
installing hardware" on page 56 for instructions on how to install or replace internal storage drives for your
computer.
The following illustration shows the locations of the storage drive bays.
Note: The computer hardware might look slightly different from the illustration.
Figure 5. Storage drive bay locations
1
Primary flex bay
3
SD card slot
5
Primary storage drive bay
7
M.2 solid-state drive slots (2)
8
P520c User Guide
36
PCIe x16 card slot
38
PCIe x16 card slot (graphics card available on some
models)
40
Rear-fan connector
2
Secondary flex bay (available on some models)
4
Secondary storage drive bay
6
PCIe card slots (4)
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