the HP ProLiant SB460c SAN Gateway is used to access SAN storage, translating file data from the server into blocks for storage. Centralize file serving onto a SAN to control proliferation of NAS devices while preserving your existing NAS storage investments. Also enables hosting of application (block) storage, using less expensive iSCSI to connect to a SAN infrastructure or HP MSA shared storage using iSCSI over the network, to increase efficiency of your existing infrastructure