One 8i RAID adapter
From To
1
Lower backplane power connector Backplane 1 power connector
2
Upper backplane SAS/SATA connector
X350-8i: C1
3
Upper backplane power connector Backplane 2 power connector
4
Lower backplane SAS/SATA connector C0
Eight 2.5-inch hot-swap drives
Use this section to understand the cable routing for server models with eight 2.5-inch hot-swap drives.
• 
“Software RAID” on page 51
•  “One 8i RAID adapter” on page 52
50
ThinkSystem ST250 V2 Setup Guide