Server model: twelve 2.5-inch SAS/SATA drives, twelve 2.5-inch SAS/SATA/NVMe drives, three 8iRAID adapters, two NVMe switch adaptersFigure 61. Cable routing for server models with twelve 2.5-inch SAS/SATA drives, twelve 2.5-inch SAS/SATA/NVMedrives, three 8i RAID adapters, and two NVMe switch adaptersCable From To1 Power cable for front backplane 1 Power connector on front backplane1Backplane power connector 1 on thesystem board2 SAS signal cable for frontbackplane 1SAS 0 and SAS 1 connectors on frontbackplane 1C0 and C1 connectors on the 8i RAIDadapter installed on the RAID adapterslot3 NVMe signal cable for frontbackplane 1NVMe 0, NVMe 1, NVMe 2, andNVMe 3 connectors on frontbackplane 1NVMe 0–1 and NVMe 2–3 connectorson the system board4 Power cable for front backplane 3 Power connector on front backplane3Backplane power connector 3 on thesystem board5 SAS signal cable for frontbackplane 3SAS 0 and SAS 1 connectors on frontbackplane 3C0 and C1 connectors on the 8i RAIDadapter installed in PCIe slot 26 NVMe signal cable for frontbackplane 3NVMe 0, NVMe 1, NVMe 2, andNVMe 3 connectors on frontbackplane 3C0, C1, C2, and C3 connectors onthe NVMe switch adapter installed inPCIe slot 17 SAS signal cable for frontbackplane 2SAS 0 and SAS 1 connectors on frontbackplane 2C0 and C1 connectors on the 8i RAIDadapter installed in PCIe slot 4104 ThinkSystem SR650 Setup Guide