To ensure proper SAS cable connections, see the SAS cabling reference table in Step 3 in Install SAS Storage Drive Cables.
To ensure proper NVMe cable connections, see the NVMe cabling reference table in Step 3 in Install NVMe Cables, and perform the procedures in Verify NVMe Cable Connections.
See Install the Fan Tray.
See Install a Fan Module.
See Reconnect Power and Data Cables and Power On the Server.