Buy.com via Rakuten Shopping offers the Synology America DiskStation 5-Bay Network Attached Storage, model no. DS1515+, for $687.99 with free shipping. (Amazon offers it for the same.) That's the lowest total price we could find by $111. Features include an Intel Atom 2.4GHz quad-core processor, 2GB RAM, four Gigabit LAN ports, four USB 3.0 ports, and access for five 3.5" or 2.5" SATA hard drives.