Removing and replacing a Removing and replacing a boot deviceboot device drive drive
The boot device supports two physical drive sizes:
22110 (110 mm)
2280 (80 mm)
Two drives of the same physical size, or one of each size, can be installed at the same time. Depending on the replacement drive size, you
might need to relocate the M.2 drive retaining latches  on the  boot device.
CAUTION:CAUTION:
The boot device and the drives installed on the  boot device are not hot-pluggable. To remove the  boot device, or a drive
from the boot device, you must first power down the server.
CAUTION:CAUTION:
A discharge of static electricity from a finger or other conductor might damage system boards or other static-sensitive
devices. To prevent damage, observe antistatic precautions.
CAUTION:CAUTION:
Before replacing a DIMM, expansion card, or other similar PCA components due to a perceived hardware error, make
sure first that the component is firmly seated in the slot. Do not bend or flex circuit boards when reseating components.
PrerequisitesPrerequisites
Review the boot device drive bay LEDs to identify the failed drive.
ProcedureProcedure
1.  Back up all server data.
2.  If physically powering down a server with the front bezel installed,  remove the front bezel .
3.  Power down the server.
4.  Remove all power:
a.  Disconnect each power cord from the power source.
b.  Disconnect each power cord from the  server.
5.  Disconnect all peripheral cables from the  server.
6.  Remove the server from the rack .
7.  Place the server on a flat, level work surface.
8.  Remove the access panel .
9.  Remove the riser cage.
10.  Remove all drives from the  boot device.
To replace the component, reverse the removal procedure.