The Iomega Home Network Hard Drive 320GB offers an easy way to share files over your home network (up to 4 users). Share photos, music and video while increasing your storage capacity. The Discovery Tool Home utility (PC) makes set-up a snap and automatically configures to work with any computer on your network. This cost-effective network hard drive (NAS) includes EMC Retrospect HD software (2 licenses) for Touch-Free backup of all your important files.