Figure 74. Removing the 3.5-inch drive backplane
a.  Pull out the plungers and slightly slide the backplane to the side as shown.
b. 
Rotate the backplane down to release it from the four hooks on the chassis. Then, carefully 
lift the backplane out of the chassis.
After you finish
If you are instructed to return the component or optional device, follow all packaging instructions, and use 
any packaging materials for shipping that are supplied to you.
Demo video
Watch the procedure on YouTube
Install the front 3.5-inch drive backplane
Follow instructions in this section to install the front 3.5-inch drive backplane.
About this task
The server supports the following types of 3.5-inch front drive backplanes: 
•  8 x 3.5-inch SAS/SATA backplane
•  12 x 3.5-inch SAS/SATA backplane
•  12 x 3.5-inch AnyBay backplane
•  12 x 3.5-inch SAS/SATA expander backplane
The following uses the 3.5-inch SAS/SATA 12-bay backplane as an example for illustration. The procedure is 
the same for the other backplanes.
Attention: 
•  Read 
“Installation Guidelines” on page 47 and “Safety inspection checklist” on page 48 to ensure that you 
work safely.
•  To avoid damage to the drive connectors, make sure that the server top cover is in place and fully closed 
whenever you install or remove a drive.
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ThinkSystem SR665 V3 User Guide