QNAP TS-419P Turbo NAS is the 4-bay, 2.5-inch and 3.5-inch SATA HDD network-attached storage server with iSCSI applications dedicated to SMB, SOHO and home users. As a storage centre for mass data backup, management and sharing, the TS-419P Turbo NAS supports excellent hardware design, outstanding performance, high system reliability, and numerous powerful software applications. The low-powered TS-419P Turbo NAS adopts Marvell 1.2 GHz CPU and 512MB DDRII RAM and is able to maintain superior performance in an intensive data access environment. The NAS supports four hot-swappable SATA hard drives, two Gigabit LAN ports for multi-IP settings, failover, and load-balancing, four USB ports and two eSATA ports for external storage backup, and is also equipped with an LCD panel for convenient system status checking. The TS-419P Turbo NAS supports cross-platform services across Windows, Mac, Linux, and UNIX. Enhanced industry-leading features are also provided, e.g. EXT3 and EXT4 file systems, built-in iSCSI target service (max 8 iSCSI targets), virtual disk drive (VDD) by built-in iSCSI initiator for storage expansion, RAID 0/ 1/ 5/ 6/ 5+spare, single and JBOD disk configurations, online RAID capacity expansion, online RAID level migration, RAID recovery, policy-based IP blocking, instant SMS alert notification, schedule power on/ off, and 4 IP cameras (optional purchase) for network surveillance.