Patriot PCNASJV35S4 Javelin S4 4-Bay Diskless Media Server for $169.99 shipped. Here is a screenshot for your reference. Alternatively, it is available at Amazon for $169.99 shipped. It features RAID 0, 1, 5, 5+Spare and 10 support, four 3.5″ bays, iTunes, Logitech Squeezebox, Print server capable, TimeMachine and UPnP compatible, and DLNA certified. Most places have this 4-bay media server for over $300.