Learn why IT departments are replacing costly, inflexible NAS appliances with industry-standard storage and servers based on Intel or AMD processors. Thanks to advancements in shared data clustering technologies, data centers are now able to cut operating costs and increase performance and manageability with a comprehensive approach to file serving. This paper explains how HP's PolyServe File Serving Utility delivers scalable performance and capacity with high availability services at a fraction of the price of traditional NAS.