QNAP SS-839 8-Bay Pro Turbo NAS Solution with 4TB of Storage The SS-839 Pro Turbo NAS is the 8-bay, 2.5" SATA HDD network-attached storage server for business users who need a power-saving, high performance, & reliable network storage solution with professional features such as advanced RAID protection, built-in i SCSI target service, & AES 256-bit volume-based encryption. Key Features Supports 2.5” SATA HDDs for Enhanced Reliability & Energy-saving Opeation 8-bay Hot-swappable AES 256-bit Volume-based Encryption Online RAID Capacity Expansion & Online RAID Level Migration Dual Gigabit LAN: Failover, Load-balancing & Multiple IP Setting Energy-saving & Quiet Design The SS-839 Pro is the smallest 8-bay NAS in the market & can be easily deployed anywhere in the office. It is also an energy-saving storage solution with excellent cooling & low noise design. The power consumption of the SS-839 Pro is only 34W in operation (in RAID 5 configuration with eight 500GB hard drives installed), which helps save your electricity expense to a large extent. Superior Performance & Advanced RAID Redundancy Powered by Intel Atom 1.6 GHz CPU & 2GB DDRII memory, the SS-839 Pro supports RAID 0/ 1/ 5/ 6/ 5 + hot spare, single, & JBOD, Online RAID Capacity Expansion, & Online RAID Level Migration Secure Data Protection by AES 256-bit Volume-based Encryption To meet the demand for high security data protection of the business users, the SS-839 Pro supports AES 256-bit volume-based encryption. The encrypted disk volumes of the NAS must be unlocked by the encryption password to be accessed, which eliminates the fear of confidential data leakage if the hard drives or the NAS were stolen i SCSI Solution with Virtual Space Allocation The SS-839 Pro can serve as a NAS & an i SCSI target server. The built-in i SCSI target feature provides an affordable IP-SAN (Storage Area Network) alternative. Also, the " Virtual Space Allocation" (Thin Provisioning) feature is provided which means that you can flexibly allocate the capacity of i SCSI LUN (Logical Unit Number) at the beginning regardless of the physical volume capacity. Versatile Applications for Business The SS-839 Pro supports file sharing across Linux, UNIX, Mac, & Windows platforms. Versatile business applications are supported, e.g. file server, FTP server with encryption, printer server, web server, & remote replication. Also, Windows AD (Active Directory) is supported to help create an easy-to-access environment & lower the maintenance cost. Easy Setup & Low-cost Maintenance The handy LCD display on the NAS provides a speedy & easy approach for you to initialize the NAS & set up the RAID configuration without using any computer. The system information & settings are also displayed for easy management. The schedule power on/off feature is available on the NAS for you to flexibly manage the NAS servers up time according to the working hours. Also, the smart Wake on LAN is supported for convenient remote wakeup of the NAS in the local network