Lenovo ThinkSystem SD550 V3 User Manual page 234

With one processor
Figure 152. PCIe riser cable routing – one processor
From (system board)
PCIe riser power connector
1
PCIe riser (1S) sideband
2a
connector
PCIe riser (1S) connector
2b
ThinkSystem SD550 V3 User Guide
224
To (PCIe riser)
Power connector
1
PCIe riser wired cable (Slot 2)
2
Cable
Power 2x8 to power 2x4 (290 mm)
MCIO x16 (270 mm)
MCIO x16 (780 mm)