20 Dell PowerEdge R220 Technical Guide6 StorageThe PowerEdge R220 supports up to two 3.5-inch cabled SATA from motherboard SATA connectoror 2 x 3.5” cabled SATA or SAS via add on storage controller.Supported hard drivesThe R220 supports up to two 2.5-inch or 3.5-inch hard drives or solid-state drives. Table 10 listsmore information about these drives. For an up-to-date list of supported hard drives for the R220,see Dell.com/PowerEdge.Supported hard drivesTable 10.Formfactor Type Speed Capacities2.5”SATA 7.2K 250GB, 500GB, 1TBNearline SAS 7.2K 500GB, 1TB,SAS 10K300GB, 600GB, 900GB,1.2TBSAS 15K 146GB, 300GB, 600GBSATA MLC SSD N/A100GB, 200GB, 400GB,800GBSATA RI MLC SSD N/A160GB, 300GB, 480GB,800GB3.5”SATA 7.2K500GB, 1TB, 2TB, 3TB,4TBNearline SAS 7.2K 1TB, 2TB, 3TB, 4TBSAS 15K 300GB, 600GBExternal storageExternal storage for the R220 is available through optional host bus adapters for SAS and iSCSI. Formore information, see Dell.com/Storage.Storage controllersThe newest line of PERC (PowerEdge RAID Controller) cards offers high I/O performance fordatabase applications and streaming digital media environments. Internal RAID controllers have adedicated connection to the system board. The R220 supports the new PERC 8 family of controllerswith improved functionality and faster performance.