Dell EMC PowerEdge R650 Installation And Service Manual page 59

Figure 49. 4 x 3.5-inch SAS/SATA with fPERC and 2 x 2.5 rear drives
Table 21. 4 x 3.5-inch SAS/SATA with fPERC and 2 x 2.5 rear drives
From
SIG_PWR_1 (system board power connector)
SL3_CPU1_PB2 (Signal connector on system board)
SL4_CPU1_PA2 (Signal connector on system board)
SIG_PWR_0 (system board power connector)
Figure 50. 8 x 2.5-inch NVMe without fPERC
To
BP_PWR (backplane power connector)
CTRL_DST_PA1 (fPERC connector)
DST_PA1 (rear backplane signal connector)
REAR_HDD_PWR (Rear HDD module power connector)
Installing and removing system components 59