This device lets you store any files you have to be accessed by all PC's on your network. It can also be accessed remotly if you want to share you data with others. You can stream video, audio and pictures as well. The device is automatically recognised by PS3's and XBOX 360's as a media server to stream to. RRP is about £115, Asda Direct price £89.99, ASDA in store (Cumbernauld, Glasgow) £70.