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Western Digital Extends Storage Leadership With BiCS5 3D NAND Technology

Technology and Manufacturing Advancements Enable New Approach to 3D NAND Scaling

SAN JOSE, CA - Jan 30, 2020

欧洲杯怎么买球Western Digital Corp. (NASDAQ: WDC) today announced that that it has successfully developed its fifth-generation 3D NAND technology, BiCS5, continuing the company's leadership in delivering the industry's most advanced flash memory technologies. BiCS5, built on triple-level-cell (TLC) and quad-level-cell (QLC) technologies, delivers exceptional capacity, performance and reliability at a compelling cost. This makes it ideal to address the exponential growth of data associated with connected cars, mobile devices and artificial intelligence.

欧洲杯怎么买球Western Digital has commenced initial production of BiCS5 TLC in a 512-gigabit (Gb) chip and is currently shipping consumer products built on the new technology. Production of BiCS5 in meaningful commercial volumes is expected in the second half of calendar 2020. BiCS5 TLC and BiCS5 QLC will be available in a range of capacities, including 1.33 terabit (Tb).***

"As we move into the next decade, a new approach to 3D NAND scaling is critical to continuing to meet the demands of the rising volume and velocity of data," said Dr. Steve Paak, senior vice president of memory technology and manufacturing at Western Digital. "Our successful production of BiCS5 is an illustration of Western Digital's ongoing leadership in flash memory technology and strong execution to our roadmap. By leveraging new advancements to our multi-tier memory hole technology to increase density laterally as well as adding more storage layers, we have significantly scaled the capacity and performance of our 3D NAND technology, while continuing to deliver the reliability and cost which our customers expect."

Built utilizing a wide range of new technology and manufacturing innovations, BiCS5 is Western Digital's highest density and most advanced 3D NAND technology to date. Second-generation multi-tier memory hole technology, improved engineering processes and other 3D NAND cell enhancements significantly increase cell array density horizontally across the wafer. These "lateral scaling" advancements in combination with 112 layers of vertical memory capability enables BiCS5 to offer up to 40 percent* more bits of storage capacity per wafer compared to Western Digital's 96-layer BiCS4 technology, while optimizing cost. New design enhancements also accelerate performance, enabling BiCS5 to offer up to 50 percent faster I/O performance compared to BiCS4.**

欧洲杯怎么买球BiCS5 technology was developed jointly with technology and manufacturing partner Kioxia Corporation. It will be manufactured at the joint venture fabrication facilities in Yokkaichi in Mie Prefecture, Japan and Kitakami City, Iwate Prefecture, Japan.

The introduction of BiCS5 technology builds on a full portfolio of Western Digital 3D NAND technologies for use in data-centric personal electronics, smartphones, IoT devices and data centers.

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About Western Digital
欧洲杯怎么买球 Western Digital creates environments for data to thrive. As a leader in data infrastructure, the company is driving the innovation needed to help customers capture, preserve, access and transform an ever-increasing diversity of data. Everywhere data lives, from advanced data centers to mobile sensors to personal devices, our industry-leading solutions deliver the possibilities of data. Our data-centric solutions are comprised of the Western Digital®, G-Technology™, SanDisk®, and WD® brands.

欧洲杯怎么买球© 2020 Western Digital Corporation or its affiliates. All rights reserved. Western Digital, the Western Digital logo, G-Technology, SanDisk, and WD are registered trademarks or trademarks of Western Digital Corporation or its affiliates in the US and/or other countries. All other marks are the property of their respective owners.

*Based on Western Digital BiCS4 and BiCS5 TLC lowest available and expected-available capacity dies (256Gb and 512Gb die)
**Based on Western Digital internal testing of I/O performance in toggle mode for select applications
欧洲杯怎么买球 ***1 Terabit (Tb) = 1,000,000,000,000 bits

Forward-Looking Statements
欧洲杯怎么买球 This news release contains certain forward-looking statements, including expectations for 3D NAND technology, including its development, timing for initial output, commercial volume production, product sampling and shipment, capabilities, performance improvements, applications, capacities, Western Digital's position in NAND flash and execution to its technology roadmap and operations at its joint venture manufacturing facilities in Japan. There are a number of risks and uncertainties that may cause these forward-looking statements to be inaccurate including, among others: volatility in global economic conditions; business conditions and growth in the storage ecosystem; impact of competitive products and pricing; market acceptance and cost of commodity materials and specialized product components; actions by competitors; unexpected advances in competing technologies; our development and introduction of products based on new technologies and expansion into new data storage markets; risks associated with acquisitions, divestitures, mergers and joint ventures; difficulties or delays in manufacturing; and other risks and uncertainties listed in the company's filings with the Securities and Exchange Commission, including the company's most recently filed periodic report, to which your attention is directed. You should not place undue reliance on these forward-looking statements, which speak only as of the date hereof, and the company undertakes no obligation to update these forward-looking statements to reflect subsequent events or circumstances.

Press Contacts


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Laura Bakken
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