21 PowerEdge R520 Technical Guide6 StorageThe Dell PowerEdge R520 supports comprehensive storage options, including different internal andexternal storage options.Internal storageThe R520 has one chassis that supports two different drive-bay options: 4 x 3.5-inch hot-plug drive option— Drive controllers: embedded SATA, PERC S110— Non-hot-plug with embedded SATA; hard drive LED on the hard drive tray is disabled— Hot-pluggable with PERC S110; hard drive LED on the hard drive tray is enabled 8 x 3.5-inch hot-plug drive option— Drive controllers: PERC H310, PERC H710, PERC H710PBoth drive-bay options support 2.5-inch and 3.5-inch hard drives and solid-state drives.Supported hard drivesThe R520 supports up to eight 2.5-inch or 3.5-inch hard drives or solid-state drives.Self-encrypting drives (SED) are available. All 2.5-inch drives require the 3.5-inch hybrid tray. Table11 lists more information about these drives. For additional information, see Dell.com/PowerEdge.Table 11. Supported hard drivesFormfactorType Speed(rpm)Capacities2.5”SAS 10K 300GB, 600GB, 900GB*, 1.2TBSAS 15K 146GB, 300GB*SAS SSD N/A 200GB, 400GBSATA SSD N/A 100GB, 160GB, 200GB, 300GB, 400GB600GB3.5”SATA 7.2K 500GB, 1TB, 2TB, 3TB, 4TBNearline SAS 7.2K 1TB, 2TB, 3TB*, 4TBSAS 15K 300GB, 600GB**SED available