Lenovo 70B4 User Manual And Hardware Maintenance Manual page 48

Note:
ThinkServer RAID 500 Adapter (also known as ThinkServer 9240-8i RAID 0/1 Adapter)
Figure 17. ThinkServer RAID 500 Adapter
1
2
1 Port 0
2 Port 1
3 ThinkServer RAID 500 Upgrade Key for Advanced RAID connector
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3
4