Note: The number of the installed hard disk drives varies by model. For the vacant drive bay, there is a
dummy hard disk drive tray to cover the place.
• For information about the supported expansion card, see “System board components” on page 42.
• Depending on the model, your server might come with a screw-secured, non-hot-swap power supply
or hot-swap redundant power supply module(s).
• For more information about the memory modules, see “Memory module installation rules” on page 90.
The following illustration shows the components of the server with up to four 3.5-inch hot-swap hard disk
drives.
Figure13. Components of the server with up to four 3.5-inch hot-swap hard disk drives
1 DIT module (available in some models)
9 Front system fan 1
2 Front panel
10 System board battery
3 Optical drive bay 2 (with an optical drive installed
in some models)
11 Expansion card (varies by model)
4 Optical drive bay 1 (with an optical drive installed)
12 Heat sink and fan assembly
5 Hard disk drive bay 3
13 System board
6 Hard disk drive bay 2
14 Rear system fan
7 Hard disk drive bay 1 15 Power supply
8 Hard disk drive bay 0
16 Four memory slots (installed memory modules vary by
model)
• For more information about 1 to 4 , see “Front view of the server” on page 15.
Chapter 3. Product overview 29