Figure 4. Front view of the server components 
Table 3.  Components on the front of server models
Item Description
1  Front panel
See 
“Front panel” on page 17
2  Optical-drive bay 2 
The optical drive bay 2 supports an optical drive.
3  Optical-drive bay 1
The optical drive bay 1 supports an optical drive or a tape 
drive (RDX or LTO).
4  5  Storage drive bays The number of available drive bays varies by model. See 
“Drive configurations” on page 16 for the complete 
configuration table. The vacant drive bays must be 
installed with drive fillers. 
Drive configurations
Item
Eight 3.5-inch 
simple-swap 
drives
Six 3.5-inch 
simple-swap 
drives
+
Optical/tape 
drives
Eight 3.5-inch 
hot-swap 
drives
+
Optical/tape 
drives
Sixteen 2.5- 
inch hot-swap 
drives
+
Optical/tape 
drives
Four 3.5-inch 
hot-swap 
drives
+
Eight 2.5-inch 
hot-swap 
drives
+
Optical/tape 
drives
2
N/A Optical-drive bay 
2: Optical drive
Optical-drive bay 
2: Optical drive
Optical-drive bay 
2: Optical drive
Optical-drive bay 
2: Optical drive
16 ThinkSystem ST250 V2 Setup Guide