QNAP USB 2.0 8-Bay Turbo Network Attached Storage Rack Mount Server with Redundant Power Supply USB 2.0 TS-859U-RP+-US Intel Atom D525 Dual-Core 1.8GHz CPU 1GB DDRII RAM RAID 0, 1, 5, 6, 10, 5+hot spare single and JBOD Online RAID Capacity Expansion Online RAID Level Migration and RAID Recovery features are standard 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 VMware vSphere4 (ESX 4.0 and above) and Citrix XenServer virtualization platforms and is also compliant with Windows 2008 Failover Cluster Supports NAS and iSCSI applications CPU Intel Atom 1.8GHz Dual-core Processor DRAM 1GB RAM Flash Memory 512MB DOM HDD 2.5/ 3.5" SATA I/II HDD x8 HDD Tray 8 x Hot-swappable and lockable tray LAN Port 2 x Gigabit RJ-45 Ethernet port LED Indicators Status, LAN, HDD 1, HDD 2, HDD 3, HDD 4, HDD 5, HDD 6, HDD 7, HDD 8