Dell PowerEdge R510 Hardware Owner's Manual page 159

Figure 3-35. Removing and Installing a SAS Backplane (Twelve–Hard-Drive System)
1 SAS backplane
3 SAS cables
5 USB memory key connector
7 control panel cable
9 USB cable
3
2
1
2 backplane retention latches (2)
4 control panel module cable
6 SAS backplane power cable
8 internal hard drive cables (2)
10 SAS backplane cable
Installing System Components
4
5
6
7
8
9
10
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