Use the TS-653 Pro as a PC with exclusive QvPC Technology Manage, share, and back up business data with Real-time Remote Replication (RTRR) NAS and iSCSI-SAN unified storage solution for server virtualization Supports VMware , Citrix , and Microsoft Hyper-V and advanced virtualization features Enhanced data security with high-performance AES 256-bit encryption and anti-virus Run multiple Windows/Linux-based virtual machines with the Virtualization Station Expand the total raw storage capacity up to 84TB with the economical UX-800P QNAP expansion enclosure Intel Celeron Quad Core 2.0GHz, 2GB DDR3L RAM (max 8GB), SATA 6Gb/s, 4 Giga LAN, Read 430MB/s, Write 425MB/s,, hardware transcoding, HDMI out with XBMC, Virtualization Station, Surveillance Station, max 1 UX expansion unit model : ADATA XPG SX6000 Lite 512GB PCIe 3D NAND PCIe Internal Solid State Drive tag : NAS