The D-Link DSN-6000 Series iSCSI SAN array is a data center-class network storage solution, ideal for small to medium enterprises. The DSN-640 with 2x1GbE host network ports is an active secondary iSCSI controller for use in the DSN-6410 primary array, allowing High Availability (HA) capability and providing additional performance. With the addition of a secondary controller, the DSN-6000 Series offers the redundancy and performance required for primary server applications including virtual machines, e-mail and database hosting. All DSN-6000 storage solutions are supplied complete with snapshot, volume cloning and remote replication capabilities, without the need for costly software licenses.