The external hard drive is connected to USB and leaves nothing to be desired: The device is distinguished by a touch and visually flawless quality finish in aluminum housing. No cheap plastic case, where you have to have almost afraid of what to break anything or müssen.Die treat it with kid gloves hard disk has an on-off switch, so you do not run permanently muss.Sie is easily in various Windows XP how Vista versions recognized and works partly as enjoyable quiet that you have been involuntarily checks whether the device is connected or switched .The speed is good to very good, there are no problems. Even after a few hours of operation, the drive remains only warm, even here, shows the excellent Verarbeitung.Die supplied software NeroBackItUP is not any need, but "what one has, one has" sozusagen.Alles in all a very good price and money, I have even more of the equipment thus in use on several PC's and would and will buy this brand again. Conclusion: Top Product buy!