Server models with thirty-two 2.5-inch drive bays
Figure 4. Front view of server models with thirty-two 2.5-inch drive bays
Table 5.  Components on server models with thirty-two 2.5-inch drive bays
1  Front I/O module
6  2.5-inch dive bays 16-23
2  Drive activity LED (green)
7  2.5-inch drive bays 8-15
3  Drive status LED (yellow)
8  2.5-inch drive bays 0-7
4  Optical-drive bays 1-2
9  Foot stands
5  2.5-inch drive bays 24-31
1  Front I/O module
For information about the front operator panel LEDs on this front I/O module, see 
“Front operator panel 
LEDs” on page 32
.
2  3  Drive activity LED (green) and Drive status LED (yellow)
For information about Drive LEDs, see 
“Drive LEDs” on page 31.
4  Optical-drive bays 1-2
Depending on the model, the server might come with an optical drive installed in the lower 5.25-inch optical- 
drive bay. The upper 5.25-inch optical-drive bay is for a secondary optical drive or a tape drive. Some 
models have a secondary optical drive or a tape drive installed.
5  6  7  8  2.5-inch drive bays
The drive bays are used to install 2.5-inch drives. When you install drives, follow the order of the drive bay 
numbers. The EMI integrity and cooling of the server are protected by having all drive bays occupied. The 
vacant drive bays must be occupied by drive bay fillers or drive fillers.
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ThinkSystem ST650 V3 System Configuration Guide