Front + middle backplanes: 12 x 3.5" SAS/SATA + 4 x 3.5" SAS/SATA/8 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 or two a 4 x 2.5-inch NVMe middle backplane.