Dell EMC PowerEdge R650 Installation And Service Manual page 58

Table 19. 10 x 2.5-inch NVMe and 2 x 2.5-inch NVMe
From
SL1_CPU2_PB1 (Signal connector on system board)
SL2_CPU2_PA1 (Signal connector on system board)
SL3_CPU1_PB2 (Signal connector on system board)
SL4_CPU1_PA2 (Signal connector on system board)
PADDLE R1d (Paddle R1d connector on system board)
SIG_PWR_1 (system board power connector)
SIG_PWR_0 (system board power connector)
PADDLE R1d (Paddle R1d connector on system board)
Figure 48. 4 x 3.5-inch chipset SATA
Table 20. 4 x 3.5-inch chipset SATA
From
SIG_PWR_1 (system board power connector)
SL5_PCH_SA3_PA3 (Signal connector on system board)
58 Installing and removing system components
To
DST_PA1 (backplane signal connector)
DST_PB1 (backplane signal connector)
DST_PA2 (backplane signal connector)
DST_PB2 (backplane signal connector)
DST_PA3 (backplane signal connector)
BP_PWR (backplane power connector)
REAR_HDD_PWR (Rear HDD module power connector)
DST_SA1 (rear backplane signal connector)
To
BP_PWR_1 (backplane power connector)
DST_PB (backplane signal connector)