Provantage.com is selling the Netgear ReadyNAS NV+ Network Storage Enclosure, model no. RND4000, for $290.33. This Netgear Network Attached Storage enclosure can hold up to four 2TB hard drives for a huge storage capacity of 8TB.

The ReadyNAS NV+ features X-RAID which can scale from 1 to 4 hard drives without having to rebuild the RAID array.   This is very helpful when moving to large size hard drives when you need to increase capacity.  The system can do various RAID levels, 0, 1, and 5, to optimize for speed, redundancy or both.     This ReadyNAS unit comes with a Gigabit ethernet port and supports a range of clients including Windows, Macintosh, and Linux.  An LCD on the front of the unit displays status information for the different hard drives in case one goes down and needs to be replaced.

Make sure to browse through some more deals on comparable NAS RAID Storage Systems.