For the technically inclined, Intel SS4200-E Network Storage Server is available for $169.99 shipped after applying code EMCMLNL66. It features an Intel Celeron 420 at 1.6 GHz, up to four 3.5″ SATA (3.0 Gb/s) hard drives, and eSATA support for further expansion. Here is a screenshot for your reference. Here is more information on this NAS server. Most places have this NAS server for over $210.