The LaCie CloudBox 100 GB hard drive comes with 100 GB of online storage space (1-year renewable contract). It"s easy to set up and the perfect way to back up important documents.General Information:Capacity : 100 GB hard drive + 100 GB online Interface : Gigabit EthernetSize : 11.7 x 11.7 x 3.8 cmWeight : 400 gRequired Configuration : Windows XP, Vista, 7 Mac OS 10.5, 10.6 Linux 2.6 600 MB of free space Ethernet switch or Gigabit router Browsers: Internet Explorer 7.0, Firefox 3.0, Safari 3.0, Chrome 2.0 or later Content : LaCie CloudBox, Ethernet cable, power cable, CD-ROM