The rearwall brackets vary by server rear configurations. This topic uses the A1, B1, and C1 brackets as an 
example for replacement illustration. The replacement procedure is the same for B2 and C2 brackets.
•  “Remove a rearwall bracket” on page 325
•  “Install a rearwall bracket” on page 327
Rearwall bracket matrix
Server rear 
config.
Required rearwall brackets
Configuration 
with 8 PCIe 
slots 
The server requires 3 rearwall brackets:
A1 rearwall bracket on the left
B1 rearwall bracket on the 
middle
C1 rearwall bracket on the right
Configuration 
with 4 x 2.5- 
inch rear drives
The server requires 3 rearwall brackets:
A1 rearwall bracket on the left
B1 rearwall bracket on the 
middle
C2 rearwall bracket on the right
Configuration 
with 2 x 3.5- 
inch rear drives
The server requires 2 rearwall brackets:
A1 rearwall bracket on the left
B1 rearwall bracket on the 
middle
Configuration 
with 8 x 2.5- 
inch rear drives
The server requires 1 rearwall bracket:
Chapter 4. Hardware replacement procedures 323