Dell EMC PowerEdge T550 Installation And Service Manual page 91

Figure 86. Cable routing - 8 x 3.5-inch SAS with GPU riser
Table 29. Cable routing - 8 x 3.5-inch SAS with GPU riser
From
CTRL_DST_PA1 (Signal connector on PERC)
BP_PWR_1 (Power connector on backplane)
SYS_PWR_2 (Power connector on system board)
SIG_PWR_0 (Power connector on system board)
GPU_PWR_3 (Power connector on PIB)
SL7_CPU1_PA4 (Signal connector on system board)
SL8_CPU1_PB4 (Signal connector on system board)
To
SL3_CPU1_PB2 (Signal connector on system board)
SIG_PWR_2 (Power connector on PIB)
SYS_PWR_2 (Power connector on PIB)
RISER_PWR_1 (Power connector on GPU riser)
RISER_PWR_1 (Power connector on GPU riser)
RISER_DST_PA1 (Signal connector on GPU riser 1)
RISER_DST_PB1 (Signal connector on GPU riser 1)
Installing and removing system components 91