Lenovo offers its Lenovo IdeaCentre D400 Atom 1.6GHz Home Storage Server, model no. 30131BU, for $599. Apply coupon code “USPDSKSV10″ to trim it to $549. With free shipping, it’s tied with last week’s mention as the lowest total price we could find for this storage, backup, and media streaming solution. Sales tax is added where applicable. This combination home server and network attached storage device features an Intel Atom 230 1.6GHz processor, 1GB RAM, 2TB of internal storage (expandable to