Backplane configurations for 20 drivesThe following illustrations show the supported drive backplane configurations tosupport 20 drives.This configuration consists of three 4x2.5-inch drive backplanes and one8x1.8-inch drive backplane and requires five SAS signal cables.8 9 10 110 1 2 3 4 5 6 72.5” HDD/SSD2.5” HDD/SSD2.5” HDD/SSD2.5” HDD/SSD2.5” HDD/SSD2.5” HDD/SSD2.5” HDD/SSD2.5” HDD/SSD2.5” HDD/SSD2.5” HDD/SSD2.5” HDD/SSD2.5” HDD/SSD 24 272625 28 291.8” SSD1.8” SSD1.8” SSD1.8” SSD1.8” SSD1.8” SSD1.8” SSD1.8” SSD30 31This configuration consists of one 8x2.5-inch drive backplane, one 4x2.5-inchdrive backplane, and one 8x1.8-inch drive backplane and requires five SASsignal cables.8 9 10 110 1 2 3 4 5 6 72.5” HDD/SSD2.5” HDD/SSD2.5” HDD/SSD2.5” HDD/SSD2.5” HDD/SSD2.5” HDD/SSD2.5” HDD/SSD2.5” HDD/SSD2.5” HDD/SSD2.5” HDD/SSD2.5” HDD/SSD2.5” HDD/SSD 24 272625 28 291.8” SSD1.8” SSD1.8” SSD1.8” SSD1.8” SSD1.8” SSD1.8” SSD1.8” SSD30 31This configuration consists of one 4x2.5-inch drive backplane and two8x1.8-inch drive backplanes and requires five SAS signal cables.2.5” HDD/SSD0 1 2 3Empty2.5” HDD/SSD2.5” HDD/SSD2.5” HDD/SSD 16 191817 20 211.8” SSD1.8” SSD1.8” SSD1.8” SSD1.8” SSD1.8” SSD1.8” SSD1.8” SSD22 238 9 10 151.8” SSD1.8” SSD1.8” SSD1.8” SSD1.8” SSD1.8” SSD1.8” SSD1.8” SSD11 12 13 14Backplane configurations for 24 drivesThe following illustrations show the supported backplane configurations tosupport 24 drives.This configuration consists of two 4x2.5-inch drive backplanes and two8x1.8-inch drive backplanes and requires six SAS signal cables.2.5” HDD/SSD4 5 6 72.5” HDD/SSD2.5” HDD/SSD2.5” HDD/SSD2.5” HDD/SSD0 1 2 32.5” HDD/SSD2.5” HDD/SSD2.5” HDD/SSD 16 191817 20 211.8” SSD1.8” SSD1.8” SSD1.8” SSD1.8” SSD1.8” SSD1.8” SSD1.8” SSD22 23 24 272625 28 291.8” SSD1.8” SSD1.8” SSD1.8” SSD1.8” SSD1.8” SSD1.8” SSD1.8” SSD30 31This configuration consists of one 8x2.5-inch drive backplane and two8x1.8-inch drive backplanes and requires six SAS signal cables.Chapter 2. Installing optional devices 59
