S002 
CAUTION: 
The power-control button on the device and the power switch on the power supply do not turn off the 
electrical current supplied to the device. The device also might have more than one power cord. To 
remove all electrical current from the device, ensure that all power cords are disconnected from the 
power source.
Attention: 
•  Read “Installation guidelines” on page 57 to ensure that you work safely.
•  Power off the server and disconnect all power cords for this task.
•  Prevent exposure to static electricity, which might lead to system halt and loss of data, by keeping static- 
sensitive components in their static-protective packages until installation, and handling these devices with 
an electrostatic-discharge wrist strap or other grounding system.
Watch the procedure. A video of the installation and removal process is available: 
•  YouTube: 
https://youtube.com/playlist?list=PLYV5R7hVcs-DoEcxrm2zKNpaKOdZ3f8Qc
•  Youku: https://list.youku.com/albumlist/show/id_59636516
Procedure
Step 1.  Install the expansion drive cage. 
Figure 58. Expansion drive cage installation
a.  Lift and hold the blue retention tab.
b. 
Carefully push the expansion drive cage at the same time to slide it into the bay until it snaps 
into position.
After you finish
1.  Reconnect the cables to the backplane. See “3.5-inch hot-swap drive backplane cable routing” in the 
ThinkSystem ST650 V2 Backplane/Backplate Cable Routing Guide.
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ThinkSystem ST650 V2 Maintenance Manual