We urgently need to buy USB2. 0 & Firewire drive accross the whole capacity, of which photo has been posted on the website, if anyone has the source information, please contact us immediately by sending email or call us on landline, the following product description for your information:  Full Disaster Recovery Solution-Completely recover your Windows 2000 or Windows XP Professional PC Desktop or Laptop in the event of a disaster using the bundled Symantec LiveState Recovery Software.  High Capacity External Drive Up to 500 GB and rising Cutting Edge Design Stylish Aluminium Case Provides Maximum Heat Dissipation and Shock Absorbency Reliability Incorporates Industry Standard 3. 5" ATA Hard Drives Cross-platform Compatible with PCs and Macs Hot Swappable Switch between computers without shutting them down True "Plug & Play" No drivers required High Speed Connection via integrated USB 2. 0 and FireWire