WD's Continued Investments in Technology Result in Capacity Leadership for

the Mobile Market

Oct 31, 2007, 01:00 ET from Western Digital Corp.

    LAKE FOREST, Calif., Oct. 31 /PRNewswire-FirstCall/ -- Western Digital
 Corp. (NYSE:   WDC) today announced it is now shipping its new WD Scorpio(R)
 320 GB 2.5-inch SATA (Serial ATA) hard drives for notebook computers and
 portable storage devices.
     WD uses advanced head and media technology to achieve the world's
 highest capacity 2.5-inch, slim, 9.5mm form-factor hard drive and includes
 proprietary features that make the drive extraordinarily quiet while
 running at cool operating temperatures. The WD Scorpio 320 GB hard drives
 deliver high performance with 3 Gb/s transfer rate and are destined for use
 in OEM notebook platforms that offer the highest storage capacities to the
 worldwide market.
     "Consumer demands for high capacity storage are stronger than ever. WD
 is again leading the industry by delivering high quality, high capacity
 product to the market with the introduction of its new WD Scorpio 320 GB
 hard drive," said Campbell Kan, vice president of mobile computing business
 unit, Acer Inc. "WD understands the increasing storage requirements of the
 notebook market, allowing Acer to introduce high-capacity notebook
 solutions that meet our customer's ever-growing demands."
     "In today's market, new notebook systems are increasingly targeting
 heavy duty applications in the office and home," said Jim Morris, WD's vice
 president and general manager of notebook storage. "As system manufacturers
 improve performance and add data hungry features, high-capacity hard drives
 become a key ingredient that allows users to fully benefit from the latest
 computing technologies."
     The WD Scorpio 320 GB SATA hard drive is a direct result of the
 significant investments WD has made in proprietary head technologies. With
 the introduction of its latest-generation WD Scorpio drives, WD continues
 to offer mobile computing and portable storage customers the same
 outstanding quality, reliability and performance that have earned the
 company a leadership position in the desktop PC market.
     The new WD Scorpio drive further expands the company's breadth of
 2.5-inch, 5400 RPM, mobile hard drive offerings to capacity points up to
 320 GB.
     WD Scorpio Exclusive Features
     WhisperDrive(TM) -- WD's exclusive WhisperDrive technology combines
     state-of-the-art seeking algorithms to yield the WD Scorpio 320 GB as one
     of the quietest 5400 RPM, 2.5-inch drives available.
     ShockGuard(TM) -- Leading-edge ShockGuard technology combines firmware and
     hardware advancements to protect the drive mechanics and platter surface
     to meet the highest combined shock tolerance specifications required for
     mobile and notebook applications.
     IntelliSeek(TM) -- Another unique WD Scorpio 320 GB feature is its
     IntelliSeek technology, which calculates optimum seek speeds to lower
     power consumption, noise and vibration. For a demonstration on
     IntelliSeek, visit the WD Web site at
     WD Scorpio 320 GB drives (model WD3200BEVS) are available on the
 company's online store (www.shopwd.com). More information about WD Scorpio
 mobile drives may be found on the company's Web site at
     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 products.
     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.
     This press release contains forward-looking statements, including
 statements relating to expected increase in the pace for demand of mobile
 2.5-inch hard drives. These forward-looking statements are based on current
 management expectations, and actual results may differ materially as a
 result of several factors, including: supply and demand conditions in the
 hard drive industry and business conditions generally; and other risks and
 uncertainties listed in WD's recent SEC filings, including its form 10-K
 for fiscal year 2007. WD undertakes no obligation to update these
 forward-looking statements to reflect new information or events or for any
 other reason.
     Western Digital, WD, the WD logo, WD Scorpio and WD Passport are
 registered trademarks and, ShockGuard, WhisperDrive and IntelliSeek are
 trademarks of Western Digital Technologies, Inc. All other trademarks
 herein are property of their respective owner.

SOURCE Western Digital Corp.