Firms must store more and more file data as users generate more office documents and create more rich digital content such as photos, audio files, and video files, and as applications do more with these and other forms of file-based content. With increasing recognition of the business value of file data, firms are working to consolidate their file storage infrastructures to reduce overall costs and to improve the ability to protect and share all this data. There are a number of approaches to building a file storage infrastructure that offer a wide range of performance and cost levels; this report describes the different approaches and identifies the major vendor offerings.