High-speed storage, conveniently placed buttons and easy-to-use backup features make the WD Dual-option Combo Drive an ideal solution for much-needed additional storage and a perfect place to back up your valuable data, music, photos and movies. 7200 RPM rotational speed Includes Dantz Retrospect Express backup software Preformatted for Windows; simply plug it in and go (Simple format instructions included for Macintosh) Designed for near-silent operation with WD"s whisper-quiet hard drive Fast, easy connection to PC or Macintosh computers Cool, heat-dissipating case Stands vertically or horizontally Stackable Requires USB 1.1/2.0 or FireWire port on a computer running Windows 98SE/Me/2000/XP or Mac OS v9.2.2 or later; Mac OS X v.10.1.3 or later Dimensions - 8.61 (L) x 6.08 (W) x 1.74 (H)

REVIEWS:
1) Happy with the drive: I"ve had no problems with this drive except for the loose fitting connections on the rear of the unit. I"ve not used the back-up software that came with the drive. I"ve used both the Windows Vista back-up program and third party software with no problems. I was sad to find that Western Digital no longer manufactured the drive soon after I made my purchase and would have rated it with five stars because of this fact as well as the connection problem.
2) Unreliable& undependable backup drive: Number of reviews have been written about the problems with this drive. my addition;
Drive and configration is unreliable, as a backup drive, it is not dependable. I bought two, one failed out of the box, the other is margional. If the drive failes to connect through USB to the system as disk drive, the software backes up the information on the C drive. Assume your C drive fails, backup you thought you bought is non existant. The reliability of the configration is many times worse then internal hard drive, and it has a questional backup software.

I tried to get Western digital to help, I would have been glad to pay additionl money to understand the problem and have this beautifully packaged drive to work. No such ideas were forth comming. Enough, enough?????????????.
3) Bad electrical, died within 4 months: It"s a great drive as long as it works. Mine started behaving erratically and I thought the OS wasn"t recognizing it. After much troublshooting, the drive told me what the problem was. It"s the case, the connection to the drive inside. I am buying a new case and hoping I can still use the drive.

So my buying the extended warranty was a waste of money. I can return the drive, but I lose 200G of data. I void the warranty by opening up the case and trying to save the drive, but it"s worth the gamble.

I bought 2 of these, months apart, and they both developed problems. I loved them while they lasted, but I got lemons.
4) poor customer service, buttons don"t work, incompatible with vista: I have owned the dual-option combo drive for about a year. The buttons to back up have never worked. I see that WD is aware of this problem. I just bought a new computer only to learn that the combo drive is not compatible with Vista. I"ve contacted WD and they have offerred only useless automated replies. Phone support is only availble for $15!!!! DO NOT BUY THIS PRODUCT for 3 reasons:
1. Bad customer service (no phone)
2. Buttons don"t work (unless you download a fix)
3. Incompatible with Vista
5) Firewire and USB Western Digital 250 GB external hard drive: A great external firewire hard drive especially for storing video and audio files as well as photos. Fast access both read and write. Easily installed and comes already formatted.

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