The EliteNAS EN208W12 NAS / iSCSI Unified Storage series is a comprehensive feature-dense 2U 8-bay NAS rackmount with Intel Dual Core Processor and 8GB ECC memory. Based on Microsoft Storage Server 2012 R2, the EN208W12 is a performance tuned NAS server with iSCSI initiator and target support. It provides a unified file-level based and block-level based access in one single storage. Advance storage technology such as file de-duplication (SIS, Single-Instance Storage), replication (DFSR, Distributed File System Replication) and snapshot (VSS, Volume Shadow Copy Service) are provided without additional cost. The EliteNAS EN208W12 also designed with built-in hardware RAID 5 and 6 protections with up to 64TB of storage capacity and dual Gigabit Ethernet ensuring optimal performance in your storage environment. Built-in hot-swappable redundant power supply along with the RAID 1 for OS hard drives are designed to minimize system down time. Optional expansion upgrade allows expansion for up to 7 more additional EliteSTOR SAS Expander JBOD storages or a total of 122 drives in a network sharing or iSCSI environment.