Dell EMC PowerEdge R750xs Installation And Service Manual page 55

Figure 45. 16x 2.5-inch SAS/SATA backplane
1. BP_DST_SB1
2. BP_PWR_CTRL (backplane power and signal cable to system board)
3. BP_DST_SB1
4. BP_PWR_1 (backplane power to system board)
Figure 46. 12x 3.5-inch SAS/SATA backplane
1. BP_DST_SB1
2. BP_PWR_1 (backplane power and signal cable to system board)
3. BP_DST_SA1
Figure 47. 8 x 2.5-inch NVMe backplane
1. BP_PWR_CTRL
3. DST_PA1 (PCIe/NVMe connector)
2. BP_DST_SA1 (PERC to backplane)
4. DST_PB1 (PCIe/NVMe connector)
Installing and removing system components 55