Dell PowerEdge C5220 Hardware Owner's Manual page 72

Removing a 3.5-inch Hard Drive
CAUTION:
should only perform troubleshooting and simple repairs as authorized in your
product documentation, or as directed by the online or telephone service and
support team. Damage due to servicing that is not authorized by Dell is not covered
by your warranty. Read and follow the safety instructions that came with the
product.
NOTE:
Mixing SATA and SAS hard drives on the 2.5 and 3.5-inch hard drive board is
not supported.
1 Remove the sled from the system. See "Sled Configuration" on page 61.
2 Remove the hard drive bracket screws from underneath the sled.
72
Installing System Components
Many repairs may only be done by a certified service technician. You