DellPowerEdge R710 Technical Guide 4112 Storage12.1 OverviewThe R710 supports three of the following backplanes to support different hard drive configurations: Four 3.5‖ hard drives Six 3.5‖ hard drives Eight 2.5‖ hard drivesOn each backplane are two LED indicators per drive slot with one or two mini-SAS x4 cableconnectors for connecting the backplane to the integrated SAS 6/iR or PERC 6i card and a powerconnector to connect to the planar. Both Serial Attached SCSI (SAS) and Serial ATA (SATA) hard drivesare supported. SAS/SATA mixing and the use of 2.5" drives in a 3.5" chassis are supported.12.2 Internal Hard Disk DrivesThe PowerEdge R710 supports up to eight 2.5‖ hard drives or up to six 3.5‖ hard drives. See Table 10for information on supported hard drives. For the most up-to-date information on supported harddrives, visit Dell.com.Table 10. Supported Hard DrivesForm Factor Capacity Speed Type3.5‖ 250GB, 500GB, 1TB, 2TB 7.2K SATA3.5‖ 500GB, 1TB, 2TB 7.2K NL SAS3.5‖ 600GB 10K SAS3.5‖ 146GB, 300GB, 450GB, 600GB 15K SAS2.5‖ 160GB, 250GB, 500GB, 1TB 7.2K SATA2.5‖ 500GB, 1TB 7.2K NL SAS2.5‖ 146GB, 300GB, 600GB 10K SAS2.5‖ 73GB, 146GB, 300GB 15K SAS2.5‖ 50GB, 100GB N/A SATA SSD2.5‖ 149GB N/A SAS SSDThe following additional guidelines apply for hard-drive configurations: For SAS/SATA mixing:o Two SAS and up to six SATA drives are allowedo Two SAS drives must be installed in slots 0 and 1 One mixed 2.5‖ and 3.5‖ hard drive configuration is allowed:o Two 2.5‖ 10,000 rpm SAS drives installed with an adapter in a 3.5‖ hard-drive carrierin drive slots 0 and 1o The remaining hard drives must be 3.5‖ hard drives and must be either all SAS or allSATA SSDs require the PERC 6/i or PERC H700 integrated storage controller card and cannot bemixed with any other type of hard drive Limited SSD and SAS mixing is supported