ReadyNAS 104, 4 Bays Empty Hard Drive Enclosure to Add Sata HDD, ReadyNAS OS 6.0 Installation Guide, Power Adapter and Cable, Ethernet Cable, Supported SATA Drives http://www.readynas.com/?page_id=82
Additional Features
DLNA Server, Cooling Fan, D-Link Easy Search Utility, USB Print Server Port, Logitech Squeeze Center, 3.5 inch Internal SATA Hard Drive; Software: ShareCenter Software CD