Figure 39. Drive backplane numbering
Table 23.  Drive backplanes and corresponding drive bays
Drive backplane Drive bay 
Supported drive backplane Supported drive
1
1
0 to 7
•  2.5-inch SAS/SATA 8-bay 
drive backplane
•  2.5-inch AnyBay/NVMe 8- 
bay drive backplane
•  2.5-inch SAS/SATA 
drives
•  2.5-inch NVMe drives
2
2 8 to 15
3
3 16 to 23
4
4
24 to 31
•  2.5-inch SAS/SATA 8-bay 
drive backplane
•  2.5-inch SAS/SATA 
drives
5
5
32 to 39
6
6 40 to 47
Notes: When the following components are installed in the system, bay 24 to 47 are disabled, and the 
maximal supported drive quantity is 24.  
•  PMEMs
•  DRAM DIMMs with 64 GB or larger capacity
•  Processors with 250 or more watts
For a complete list of supported optional device for this server, see 
https://serverproven.lenovo.com/.
Procedure
Step 1.  If a drive filler has been installed in the drive bay, remove it.
Step 2.  Gently rotate the release latch away to unlock the drive handle.
Step 3.  Slide the drive into the drive bay, and push it until it stops. 
Chapter 4. Hardware replacement procedures 147