• Powerful Centralized Management enables full multi-node management for an unlimited number of servers and virtual machines; includes extensive graphical reporting and alerting, easy physical-to-virtual and virtual-to-virtual conversion tools, and a resilient, highly available management architecture with no single point of failure
   
• Live Motion and Multi-Server Resource Sharing incorporates powerful XenMotion™ technology that allows virtual machines to be moved from server to server without service interruption for zero downtime; also includes automatic balancing of compute power within a pool of physical servers, optimal virtual machine placement and multi-resource pool management
   
• Proven Hypervisor Engine powered by the 64-bit industry standard Xen open source hypervisor developed jointly by more than 50 leading technology vendors to take full advantage of the latest performance, security and scalability enhancements in next-generation servers, operating systems and microprocessors
   
• Fast Bare Metal Performance supports an unlimited number of servers and virtual machines with industry-leading consolidation ratios, near native performance on the most challenging application workloads, and virtually zero overhead in both Microsoft Windows® and Linux environments
   
• Easy Setup and Administration features familiar interface with easy wizard-driven configuration, intuitive Web 2.0 style search, and built-in auto-help that makes the learning curve for new administrators a snap
   
• Integrated Storage Management that supports any existing storage system, and includes built-in storage management features such as host-based logical volume management, snap shots and dynamic muti-pathing capabilities 
   

Check it out at - http://www.citrix.com/English/ps2/products/feature.asp?contentID=1686939