HP EX475 MediaSmart Home Server (AMD Live, Windows Home Server, 1 TB Hard Drive) Conveniently centralize your files and access them from an internet-connected computer 1 TB of storage space on 2 500GB hard drives, expands via 2 additional hard drive bays. Automatically backup and protect the digital memories on your home PCs running Windows XP and later operating systems Stream photos, music and videos to PCs on your network or to your TV or stereo system Powered by Microsoft Windows Home Server software and 1.8 GHz, 64-bit AMD Sempron processor