Dell PowerEdge C5220 Hardware Owner's Manual page 61

Installing a 2.5-inch Hard Drive
1 Align the 2.5-inch hard-drive bracket on the new hard drive then replace
the four screws.
NOTE:
The correct orientation of the bracket with the arrow mark pointing towards
the hard drive connector.
2 Connect the hard drive to the hard-drive board in the sled.
3 Replace the sled hard-drive bracket screws underneath the sled.
2.5" HDD 2.5" HDD
HDD0 HDD1
2.5" HDD 2.5" HDD
HDD2 HDD3
Installing System Components
61