Available in three different capacity points: 320 GB, 640 GB and 1 TB (raw capacity) Configuration via the web allows customers to have the NAS 500s up and running on their network in minutes All setup and configuration can be done over the LAN or directly connected to the system The NAS 500s ships with a redundant OS partition for OS recovery and system protection The NAS 500s ships with a quick restore DVD for disaster recovery to reset the machine back to factory defaults (data destructive)