18 Dell PowerEdge C6145 Rack Server Technical Guide5 StorageEach server node can have up to a maximum of 12 hard drives, depending on the number ofindependent server nodes and drive type (3.5-inch or 2.5-inch) that are installed in each PowerEdgeC6145 chassis. To accommodate the supported drive options, the PowerEdge C6145 has onebackplane type for 12 x 3.5-inch drives, and one for 24 x 2.5-inch drives. These drive slots aredivided equally across two independent midplanes with dedicated power and controllerconnections for each of the two nodes. All drive slots can be hot-swapped, and each Serial AttachedSCSI (SAS) or Serial ATA (SATA) slot has an LED indicator to indicate drive status and health.Note: Mixing SAS and SATA drives is not supported.Internal storageThe PowerEdge C6145 system supports up to 12 hard disk drives per server node, depending on thenumber of installed nodes (1-2) and drive type (2.5-inch or 3.5-inch). The number of drives that canbe installed depends on the processor TDP wattage. Hard drives must use the PowerEdge C6145specific drive carrier.The PowerEdge 6145 supports the following hard drive types: 7.2K, 10K and 15K RPM 2.5-inch and 3.5-inch SAS drives 7.2K RPM Enterprise 2.5-inch and 3.5-inch SATA The following hard disk drive configurations are for a two-node solution:— Up to 6 x 3.5-inch SATA (6 HD-85W, 4 HD–115W, 4HD-140W)— Up to 6 x 3.5-inch SAS (6 HD-85W, 4 HD–115W, 4HD-140W)— Up to 12 x 2.5-inch SATA (12 HD-85W, 9 HD-115W, no 140W processor support)— Up to 12 x 2.5-inch SAS (12 HD-85W, 9 HD-115W, no 140W processor support)— Up to 12 x 2.5-inch SSD The following hard disk drive configurations are for a single-node solution:— Up to 12 x 3.5-inch SATA (12 HD-85W, 8 HD–115W, 8HD-140W)— Up to 12 x 3.5-inch SAS (12 HD-85W, 8 HD–115W, 8HD-140W)— Up to 24 x 2.5-inch SATA (12 HD-85W, 9 HD-115W, no 140W processor support)— Up to 24 x 2.5-inch SAS (12 HD-85W, 9 HD-115W, no 140W processor support)— Up to 24 x 2.5-inch SSDSupported hard drivesTable 8 lists the hard drive options for the PowerEdge C6145 rack server. For additional information,see Dell.com/PowerEdgeC.Table 8. Supported hard drives on the PowerEdge C6145FormfactorType Speed(rpm)Capacities3.5”SATA 7.2K 500GB, 1TB, 2TB, 3TB, 4TBNearline SAS (6Gb) 7.2K 1TB, 2TB, 3TB, 4TBSAS (6Gb) 15K 300GB, 600GB