Dell PowerEdge R710 Series Hardware Owner's Manual page 183

1 drive 0 – drive 3 connectors
3 backplane power (BKPLN)
5 SAS B connector
Figure 6-4. SAS Backplane Board for 3.5-Inch Hard Drives (4 Slots)
1 drive 1 connector
3 drive 3 connector
5 backplane power (BP_PWR)
1
6
2 drive 4– drive 7 connectors
4 SAS A connector
2
3
front
back
2 drive 0 connector
4 drive 2 connector
6 SAS A connector
Jumpers and Connectors
4
5
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