Newegg has the Intel Entry Storage System SS4200-E NAS Server w/ Intel Celeron 420 1.6GHz, DDR2 512MB & eSATA support for $150 with free shipping. Add it to your cart and a free Rosewill eSATA controller card will automatically be added.
Technical Details:
* Intel Celeron processor 420 running at 1.6 GH and DDR2 512 MB memory.
* RAID and retrospect backup software for data protection.
* Flexible Network Attached Storage (NAS) solution that instantly adds storage capacity for small business and home networks.
* Includes 4 USB 2.0 ports and 2 eSATA ports; Intel Celeron Processor 420 running at 1.6 GHz
* Supports up to up to 4 3.5-inch SATA hard disks for up to 3 TB of secure storage
* EMC Retrospect backup software; out-of-box RAID
* 3-year limited warranty
Newegg.com - Intel Entry Storage System SS4200-E NAS Server w/ Intel Celeron 420 1.6GHz, DDR2 512MB & eSATA support - Server Systems
Intel SS4200-E NAS Server w/ Celeron 420 1.6GHz, DDR2 512MB + Free eSATA Card $150 FS 
