Front + middle + rear backplanes: 12 x 3.5" SAS/SATA + 4 x 3.5" SAS/SATA + 4 x 3.5" SAS/SATA/4 x 2.5" NVMe

This topic provides cable routing information for the 12 x 3.5-inch SAS/SATA front backplane with a 4 x 3.5-inch SAS/SATA middle backplane and a 4 x 3.5-inch SAS/SATA or 4 x 2.5" NVMe rear backplane.