Quad interface RAID-enabled about 30% less power consumption formatted for Mac 2 x 1TB hard drives with 2TB total storage capacityRAID Levels: 0 1Ports: 9-pin IEEE 1394b - FireWire 6-pin IEEE 1394a - FireWire 7-pin Serial ATA/300 - eSATA USB 2.0 - USBInput Voltage: 110 V AC 220 V AC 5-year limited warranty3 7/8" W x 6 1/2" H x 6 1/8" DIncludes FireWire 800 cable FireWire 800 to 400 cable USB cable AC adapter Software CD

Formatted for Mac, this elegant, external hard drive now features a new, smart, visual backup solution that protects your data automatically. Smaller, sleeker, more streamlined design - WD has made these award-winning drives even smaller, sleeker, and more elegant. As always, this book-like shape takes up less space on your desk and allows two or more My Book drives to nestle neatly together like volumes on a shelf. Designed for Mac - Formatted for Mac and compatible with Apple Time Machine, this drive is plug-and-play ready for Mac computer users. WD SmartWare - A control center for your drive that gives you the power to: Protect your data automatically - Relax, your data is secure. Automatic, continuous backup will instantly make a second copy whenever you add or change a file. See... Less

With capacities up to 320 GB, WD Scorpio Blue 2.5-inch PATA hard drives from Western Digital deliver lightning-fast and ultra-quiet performance hand-in-hand with low power consumption. In addition, they are designed with ruggedness, reliability, and data-protection features that actively watch over valuable data. These drives feature up to a 100 Mb/s PATA interface and 8 MB cache. WD Scorpio Blue hard drives are designed for portable digital devices of all kinds, including notebook computers, external storage, and digital media players.

Power-conserving WD AV-GP SATA hard drives take advantage of WD s GreenPower technology to meet the extreme requirements of demanding audio and video environments. With power reduction of up to 40% they deliver cool and quiet operation and reliability perfect for audio video applications such as PVRs DVRs Set-Top Boxes (STBs) as well as surveillance video recording. Type Hard drive: Internal. Form Factor: 3.5 x 1/3H. Dimensions: (WxDxH) 4 in x 5.8 in x 1 in. Capacity: 320 GB. Interface Type Serial: ATA-600. Data Transfer Rate: 600 MBps. Buffer Size: 32 MB.

Power-conserving WD AV-GP SATA hard drives take advantage of WD s GreenPower technology to meet the extreme requirements of demanding audio and video environments. With power reduction of up to 40% they deliver cool and quiet operation and reliability perfect for audio video applications such as PVRs DVRs Set-Top Boxes (STBs) as well as surveillance video recording. Form Factor: 3.5 x 1/3H. Approximate Dimensions: (WxDxH) 4 in x 5.8 in x 1 in. Capacity: 1 TB. Interface Type Serial: ATA-600. Data Transfer Rate: 600 MBps. Buffer Size: 64 MB.

WD Scorpio Black 7200 RPM SATA 2.5-inch hard drives from Western Digital combine a lightning-fast 7200 RPM spin speed with a SATA 3 Gb/s interface and 16 MB cache to deliver desktop-class performance. With 5400 RPM-equivalent power consumption there is no compromise in battery life. In addition, WD Scorpio Black hard drives are designed with ruggedness, reliability, and data-protection features that actively watch over valuable data. Available in capacities up to 320 GB, these hard drives are perfect for laptop users who require maximum capacity and lightning-fast performance.

WD Scorpio Blue drives offer high-performance low power consumption and cool operation perfect for notebooks and other portable devices. Pick the drive that suits your needs with the confidence in knowing that all WD Scorpio Blue drives are built to the highest standards of quality and reliability. Form Factor: 2.5 x 1/8H. Interface Type Serial: ATA-300. Data Transfer Rate: 300 MBps. Spindle Speed: 5400 rpm. Buffer Size: 8 MB. Approximate Dimensions: (WxDxH) 2.8 in x 3.9 in x 0.4 in. Capacity: 500 GB.

Power-conserving WD AV-GP SATA hard drives take advantage of WD s GreenPower technology to meet the extreme requirements of demanding audio and video environments. With power reduction of up to 40% they deliver cool and quiet operation and reliability perfect for audio video applications such as PVRs DVRs Set-Top Boxes (STBs) as well as surveillance video recording. Interface Type Serial: ATA-300. Data Transfer Rate: 300 MBps. Buffer Size: 8 MBType Hard Drive - internal. Form Factor: 3.5 x 1/3H. Dimensions: (WxDxH) 4 in x 5.8 in x 1 in. Capacity: 320 GB.

WD Scorpio Blue drives offer high-performance low power consumption and cool operation perfect for notebooks and other portable devices. Pick the drive that suits your needs with the confidence in knowing that all WD Scorpio Blue drives are built to the highest standards of quality and reliability. Form Factor: 2.5 x 1/8H. Approximate Dimensions: (WxDxH) 2.8 in x 3.9 in x 0.4 in. Capacity: 640 GB. Interface Type Serial: ATA-300. Data Transfer Rate: 300 MBps. Spindle Speed: 5400 rpm. Buffer Size: 8 MB.

WD Advanced Format technology increases media format efficiency, thus enabling larger drive capacities. WD Advanced Format drives are specifically optimized for Mac and the latest Windows operating systems such as Windows Vista and Windows 7. WD Advanced Format drives work with legacy operating systems such as Windows XP but require the use of the free WD Align software available on www.wdc. com/advformat. WD Scorpio Blue™ 5200 RPM 2.5-inch SATA hard drives from Western Digital deliver lightning-fast and ultra-quiet performance hand-in-hand with low power consumption. In addition, they are designed with ruggedness, reliability, and data-protection features that actively watch over valuable data. Available in capacities from 750 GB to 1 TB, these drives feature a 3 Gb/s SATA interface and... Less