TigerDirect offers the Synology DiskStation 2-Bay Gigabit Network Attached Storage Server, model no. DS213+, for $326.14 plus around $8 for shipping. That's the lowest total price we could find by $39. It features a dual core CPU, maximum capacity of 8TB, Gigabit LAN, USB, eSATA, and SD card ports, and support for Synology Hybrid RAID, Basic, JBOD, RAID 0, and RAID 1.