Western Digital My Book Mirror Edition 2TB USB 2.0 (WDH2U20000N)

From Western Digital
	Price: $269.99
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Features - The safest place for your data - Automatic backup software - Cooler, quieter, eco-friendlier - Capacity Gauge Product Description WD's My Book Mirror Edition dual-drive storage system automatically mirrors your valuable data for extra protection. The USB 2.0 interface and a powerful combination of features make this system the storage solution of choice for photographers, home users, small offices, and anyone looking for extra assurance that their data is safe. Amazon.com Product Description Amazon.com Product Description .caption { font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 10px; font-style: normal; font-weight: normal; } p { font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 16px; } ul.indent { list-style: inside disc; text-indent: 20px; } table.callout { font-family: Verdana, Helvetica, Arial, serif; width: 250; border-top: 1px solid; border-bottom: 1px solid; font-size: 13px; margin: 0px; padding: 0px; } td.callout { height: 100 percent; background: #9DC4D8 url(http://images.amazon.com/images/G/01/electronics/detail-page/callout-bg.png) repeat-x; border-left: 1px solid #999999; border-right: 1px solid #999999; width: 250px; padding: 15px; text-indent: 18px; } ul.callout { font-size: 13px; line-height: 16px; list-style-position: inside; list-style-type: disc; padding: 0px; margin-top: 5px; margin-right: 0px; margin-bottom: 0px; margin-left: 20px; text-indent: -18px; } li.callout { font-size: 13px; line-height: 15px; } h5.callout { text-align: center; } hr { border-top: 1px dashed #999999; height: 1px; color: #FFFFFF; margin: 3px 0px; } .caption { text-align: top; font-family: verdana, arial, helvetica, sans-serif; font-size: 10px; font-weight: bold; font-style: italic; line-height: 14px; } h2 { color: #CC6600; font-size: 16px; margin: 0px 0px 0.25em; } BODY { font-family: verdana,arial,helvetica,sans-serif; font-size: x-small; background-color: #FFFFFF; color: #000000; margin-top: 1px; } ul { { font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 16px; } The safest place for your data. WD's My Book Mirror Edition dual-drive storage system automatically mirrors your valuable data for extra protection. USB 2.0 interface and a powerful combination of features make this system the storage solution of choice for photographers, home users, small offices, and anyone looking for extra assurance that their data is safe. Features at a glanceEasy installation and set upRAID 0/1 Automatic backup softwareCooler, quieter, eco-friendlierCapacity gaugeUser serviceable3-year limited warranty Swapping out a drive is easy and you do not need any tools. Gain peace of mind with this true data guardian. Organize and archive your vast photo, music, and artwork libraries. View larger. My Book® Mirror Edition™ 360° view Secure your vital data with WD's My Book® Mirror Edition™ dual-drive storage system with RAID Mirroring. With RAID-based continuous data protection, automatic data backup software, and user-serviceability, this is the perfect backup system for your irreplaceable data. The safest place for your data Using RAID mirroring technology, this system automatically and continuously duplicates your data. If one drive in this two-drive system ever fails, the system continues to run and your data is safe. How's that for peace of mind? Learn more about RAID Automatic and continuous backup software Back up your computer - just set it and forget it. Every time you save a change it's backed up and then mirrored on the second drive for the ultimate in data protection. Cooler, quieter, eco-friendlier Designed to use only WD drives with GreenPower™ technology, this system, with its efficient convection cooling architecture, fan-less design, and power saving mode, is reliably cool, remarkably quiet and consumes up to 33% less power* than standard systems. * Tests based on comparison between a 1 TB dual-drive system using 7200 RPM drives and a 1 TB dual-drive system using WD's GreenPower drives. Easy to set up, easy to use You're up and running in a few simple steps. WD's intuitive RAID wizard software lets you easily modify your RAID settings. Capacity Gauge See at a glance how much space is available on your drive. User serviceable Want to upgrade a drive? Simply open the case and replace the existing drive – no screwdriver needed. System Requirements Available USB port Mac® OS X 10.4.11+, 10.5.2+ Windows® 2000/XP/Vista What's in the Box Dual-drive storage system, USB cable, AC adapter, Software CD, Quick Install Guide. More about RAID RAID is a high-tech acronym for Redundant Array of Independent Disks. The acronym is not important. What is important is that the inclusion of RAID technology in WD's dual-drive external storage systems make them very powerful storage products. With RAID enabled on a storage system you can connect two or more drives in the system so that they act like one big fast drive or set them up so that one drive in the system is used to automatically and instantaneously duplicate (or mirror) your data for real-time backup. There are two reasons you might want a RAID system of drives. 1. You need tons of storage space and you need it to be fast. (RAID 0) 2. You want to instantaneously and automatically backup your data. (RAID 1) Which RAID mode should I use? RAID Mode Comparison 1. Speed (RAID 0) Set in high-performance mode (also called striped mode or RAID 0) the storage system gives you the power you need when you're: Designing huge graphics and you need a lightning-fast Photoshop scratch space. Recording large DV files while maintaining clean audio performance. Editing DV or HD video and you want a smooth work flow with no dropped frames. Rendering complex 3D objects or special effects. Performing disk-intensive database operations. Driven to be the first geek on your block with a computer so fast it blows your socks off. Why is RAID 0 so fast? It's a bit complicated, but suffice it to say that two heads, or in this case, drives, are better than one. Picture two hoses filling a bucket at the same time or two men bailing a boat and you can understand why two drives striped are faster than one. Data is saved (striped) across both drives and accessed in parallel by both drives so you get higher data transfer rates on large data accesses and higher input/output rates on small data accesses. 2. Data protection (RAID 1) Set the system to data protection mode (also know as mirrored mode or RAID 1) and the data is duplicated onto one of the drives providing two copies of all the data. This reduces your capacity to the size of a single disk. So why do I want that kind of redundancy? It's your data, your family pictures, your movie of baby's first steps, your first novel. Is it important? You decide. If it is, then RAID mirroring if for you. Customer Reviews Great drive, but defrag thoroughly and often Date: 2008-10-06 | Rating: 5 I've owned this drive for about five months at this writing, and use it to store all my video and music files (both mp3 and wav). And I still have 400GB of free space! Its USB 2.0 interface is fast enough for video playback in a RAID 0 configuration (since it's actually two 1TB drives it can also be set RAID 1 to automatically back up everything you put on it). It's a fairly small and very attractive package that doesn't get overly warm; if it has cooling fans inside I haven't heard them running yet. I much prefer its keyhole-shaped fluorescent-looking indicator light to the blinking bull's eye I've seen on older MyBook drives. Its up-and-down motion is actually kind of soothing. Opening the box to replace a drive, if necessary, doesn't look too difficult if you're so inclined. It's quiet but not totally silent -- there's a soft clattering sound when it's working but I don't find it annoying and it's totally masked by movie audio or music. One bit of advice, do NOT assume that Microsoft Vista's automatic "Defrag Lite" will do a good job on a drive this huge. I started to experience playback problems with recorded video and discovered that the drive was severely fragmented, even with Vista set to defrag it once a week. There's no easy way to analyze the drive for fragmentation with Vista defrag's dumbed-down user interface. And it would be great if WD included a defrag utility in its Drive Manager or Diagnostics Tool -- it doesn't. But there's freeware out there (Auslogics or JKDefrag) that will do a thorough job and, even better, actually show you what it's doing. So defrag this drive thoroughly and often, especially if you copy, move, delete and convert a lot of large video files. Excellent external drive Date: 2009-04-20 | Rating: 5 I'm actually impressed by this product. I purchased this with very low expectations. I see some people say it's made out of cheap plastic... well, it's made out of plastic. It's shiney, it looks nice sitting next to my monitor.. but yes it's plastic. What did you expect it to be? I'm always skeptical with these easy setup RAID1 solutions as many of them end up corrupting themselves and destroying all of your data. This thing though comes right out of the box with a single drive presentation in RAID1 configuration. It couldn't be easier. Plug it in, it's ready. I've used this with XP Pro, XP Pro x64, Vista HP x86 and x64, Vista Ultimate x86 and x64, as well as Win7 beta x86 and x64. No issues. Western Digital My Book Mirror Edition 2TB USB 2.0 (WDH2U20000N Date: 2009-02-25 | Rating: 5 Very nice device. User friendly. Works extremely well with Windows XP SP3. Highly recommend. Quiet, Fast, Simple Date: 2009-03-02 | Rating: 5 This product lives up to its name, with great RAID options, easy user maintenance, and set it and forget it simplicity. Price shows just how much the cost per gig has declined in the last 5 years, and will prove useful for years to come. USB 2 is useful with RAID 0 option and full 2TB capacity. SUPER simple set-up Date: 2009-08-04 | Rating: 5 Rec'd my RAID drives yesterday.... SUPER simple to set up. Unbox, install CD, plug in, and ready to go within 5 minutes. Nice look to it. Quiet and power efficient.