goto Live.com
goto cashback link
find HP Home and Office 5% off link and follow it
search HP's site for EX470
open link for Refubished EX470 and purchase.
====UPDATED POST WITH SPECS====
Processor AMD 1.8GHz or 2.0GHz 64-bit Sempron processor
Memory 512MB DDR DRAM
Network support 10/100/1000 (Gigabit) RJ-45 Ethernet
Interfaces 4 USB 2.0 ports 1 eSATA port
Internal hard drives 1 SATA 7200 rpm, 500GB
Power Internal Universal Power Supply
Maximum storage capacity Includes 500GB hard drive and 3 empty bays for expansion
Expansion 3 empty hard drive bays
Operating system Windows Home Server
Dimensions 5.5" (W) x 9.8" (H) x 9.2" (D)
goto cashback link
find HP Home and Office 5% off link and follow it
search HP's site for EX470
open link for Refubished EX470 and purchase.
====UPDATED POST WITH SPECS====
Processor AMD 1.8GHz or 2.0GHz 64-bit Sempron processor
Memory 512MB DDR DRAM
Network support 10/100/1000 (Gigabit) RJ-45 Ethernet
Interfaces 4 USB 2.0 ports 1 eSATA port
Internal hard drives 1 SATA 7200 rpm, 500GB
Power Internal Universal Power Supply
Maximum storage capacity Includes 500GB hard drive and 3 empty bays for expansion
Expansion 3 empty hard drive bays
Operating system Windows Home Server
Dimensions 5.5" (W) x 9.8" (H) x 9.2" (D)