The TS-210 supports up to 2 3.5" SATA hard drives with up to 4TB of total capacity (using 2TB drives) and features a Marvell 800MHz CPU and 256MB DDRII memory which provides sustained high performance with low power consumption. The TS-210 can be configured to RAID 1 for high data redundancy. The TS-210 also supports iSCSI Target service with Thin Provisioning and a Gigabit LAN port, features generally found on much higher end NAS servers. The TS-210 is equipped 3 USB ports (1 front, 2 back panel) for expanding the storage capacity, printer sharing, or data backup to an external