Dell PowerEdge VRTX Owner's Manual page 101

Figure 60. Removing and Installing the 3.5 inch (x12) Hard-drive Backplane
1. hard-drive connectors (12)
2. release pins (2)
3. SAS cables on backplane expander board (2)
4. power cables (2)
Figure 61. Back View of the 3.5 inch (x12) Hard-drive Backplane
1. release pins (2)
2. slots for chassis hooks (10)
3. backplane expander board connectors (6)
4. guide pins for backplane expander boards (4)
5. backplane expander board
6. hard-drive backplane
5. backplane expander board brackets (2)
6. power cable connectors (2)
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