Dell PowerEdge T20 Technical Guide 145 StorageThe Dell PowerEdge T20 supports up to four 3.5-inch hard drives and up to two 2.5-inch harddrives.• 4x 3.5-inch cabled drive bays from motherboard SATA connector• 3x 3.5-inch cabled SATA, plus SATA optical disk drive device from motherboard SATAconnector• 2x 2.5-inch cabled SATA via add-on storage controller, plus 4x 3.5-inch cabled SATA frommotherboard SATA connectorSupported hard drivesTable 10 lists the PowerEdge T20 hard drive options. For additional information, seeDell.com/PowerEdge.Table 10. Supported hard drivesForm factor Type Speed(rpm)Capacities2.5”SATA 10K 250GB, 500GBSATA SSD 6Gb 160GB3.5”SATA 7.2K 500GB, 1TBEnterprise 7.2K 2TB, 3TBStorage controllersThe PowerEdge T20 supports Intel Rapid Storage Controller 12.0 software RAID and hardware RAIDfrom the optional storage controller card available at Dell.com.The PEXSAT32 2-Port PCIe SATA 6GB controller card offers simpleconnectivity between a host computer and SATA 3.0 devices — a cost-effective solution for connecting high-speed storage, such as High RPMhard drives and solid state drives (SSD), which in turn allows for easier databackups and archiving.Note: Additional SATA cables are required to connect the card with fourth andfifth hard drives and an additional power extension cable is required to connectthe system power to these drives.StarTech Part #: PEXSAT32Dell Part#: A4046565