The core of the product is that is can be made into a 1TB Network Attached Storage(NAS) media archival system with the addition of a 1TB hard drive, (Hitachi hard drives are highly recommended) Unit allows you to playback in High Definition HDMI 1080P any of the file formats such as Mpeg 1/2/4, AVI, H.264, FLV, VC1, and WMV. The HD5W also plays all photo and music forma