The HP StorageWorks NAS 4000s is the ultimate in NAS performance, scalability and availability by providing a gateway to the enterprise SAN for file level data. The NAS 4000s provides the maximum return on data center storage investment and the confidence that is expected in an enterprise environment is built in. The NAS 4000s connects to the industry's broadest range of SAN arrays - the fusion of NAS and SAN for the enterprise.