QNAP 2-Bay USB 2.0 Portable Turbo Network Attached Storage TS-219P+ Marvell 1.6GHz CPU and 512MB DDRII RAM. 2.5- or 3.5-Inch SATA hot-swappable HDDs. 1 Gigabit LAN port. Also equipped with 3 USB ports (Front:1, Back:2) and 2 eSATA ports for storage expansion or external data backup. Supports NAS and iSCSI applications. iSCSI targets can be created on the NAS for storage expansion. Connect to other iSCSI devices on the network and add them as virtual disk drives (VDD) to expand the storage capacity of the NAS. Windows, Mac, Linux, and UNIX. Windows Active Directory (AD), real-time system monitoring, detailed event logs, SNMP, instant SMS alert, Wake on LAN, and scheduled power on/off management are provided for the users to manage the NAS efficiently. Built-in UPnP media server (with TwonkyMedia enabled) supports a wide range of media players and works well with NFS-supported High-Definition (HD) digital media players for HD video streaming.