Western Digital Announces My Book Mirror Edition – 1 and 2TB RAID Storage Solutions Stephen Fung June 18, 2008 Press Release LAKE FOREST, Calif. – June 18, 2008 – WD® (NYSE: WDC) today introduced its new My Book® Mirror EditionTM dual-drive storage systems, which can automatically store valuable personal content not once, but twice, to maximize data safety. This RAID-based continuous data protection feature, called mirroring, makes WD’s My Book Mirror Edition storage systems the safest place for storing irreplaceable data. Personal collections of digital content, such as photos, music, and videos, continue to grow on desktop and notebook computers around the world. Consumers are increasingly aware that taking precautions to protect their data is vital and are looking for a simple solution. When users store their personal content on a My Book Mirror Edition system, their valuable data is automatically mirrored for extra protection – making it easy and economical to benefit from the data redundancy typically found in corporate data centers. This mirroring technology makes the new dual-drive systems an ideal storage solution for photographers, home users and small offices and anyone looking for extra assurance that their data is safe. Consumers can also use the My Book Mirror Edition storage system and the included backup software to automatically and continuously back up their personal computers. The mirroring feature provides users the added assurance of a redundant backup of their data. Jim Welsh, vice president and general manager of branded products and consumer electronics groups for WD, said, “Personal and business content are extremely valuable – both emotionally and financially. Our new My Book Mirror system helps users sleep easy, knowing that their data is safe.” Formatted for Windows® computers, these new storage systems feature: – USB 2.0 interface for flexibility and convenience; – Configured out-of-the box in RAID 1 (Mirrored) mode [RAID 0 (Striped) configurable]; – Available in capacities of up to 1 TB and 2 TB, the My Book Mirror Edition storage systems ship in Mirrored mode and use half the capacity for file redundancy; – Cool, eco-friendly operation with GreenPowerTM drives that consume approximately one-third less power than standard dual-drive external storage systems and efficient convection cooling architecture and power-saving mode; – Designed without a fan for whisper-quiet operation in a home or office environment; – Automatic and continuous backup software that allows users to simultaneously save a change and have it backed up on the second drive for the ultimate in data protection; – User serviceability, enabling owner to open the enclosure and replace the drives inside; – Capacity gauge to see at a glance how much space is available on the system; – Intelligent drive management features, including automatic power-up, Safe ShutdownTM and LED status and activity lights; and, – 3-year limited warranty. RAID 1 (Mirrored) Using RAID mirroring technology, this system automatically and continuously duplicates your data for the ultimate in data protection. If one drive in this two-drive system ever fails, the My Book Mirror Edition system continues to run and your data is safe. The My Book Mirror Edition storage systems ship in Mirrored mode and use half the capacity for file redundancy. RAID 0 (Striped) Users can choose to use the full capacity of this system by reconfiguring the drive to RAID 0 (Striped) mode. With RAID 0, users can have up to 2 TB of storage in an elegant, small footprint design that offers plenty of room to store an entire digital photo library and hundreds of hours of HD movies or digital video (results will vary based on file size and format, settings, features, software and other factors). Cooler, quieter, eco-friendlier Designed to use only WD’s GreenPower drives, this system, with its efficient convection cooling architecture, fan-less design, and power saving mode, consumes up to 33 percent less power than standard systems, is reliably cool, and remarkably quiet. Pricing and Availability My Book Mirror Edition dual-drive storage systems are available now at select retailers and WD’s online store (www.shopwd.com). MSRP for My Book Mirror Edition with 1 TB is $289.99 USD; MSRP for My Book Mirror Edition with 2 TB is $549.99 USD. Back It Up Backing up data is no longer the chore that it once was. In an effort to educate and build awareness among consumers about how to best protect their precious memories and important files, WD has put together some information and tricks to make it easier than ever to back up data. Visit www.backituponwd.com to learn more. About WD WD, one of the storage industry’s pioneers and long-time leaders, provides products and services for people and organizations that collect, manage and use digital information. The company produces reliable, high-performance hard drives that keep users’ data accessible and secure from loss. WD applies its storage expertise to consumer products for external, portable and shared storage applications. WD was founded in 1970. The company’s storage products are marketed to leading systems manufacturers, selected resellers and retailers under the Western Digital and WD brand names. Visit the Investor section of the company’s Web site (www.westerndigital.com) to access a variety of financial and investor information. Share This With The World!