Toshiba Launches Industry’s Largest Capacity 3TB 2.5-inch HDD

The “MQ03ABB” delivers 750GB per platter, an industry first, and is optimized for personal external storage and space-constrained needs

TOKYO — (BUSINESS WIRE) — January 6, 2015Toshiba Corporation’s (TOKYO: 6502) Semiconductor & Storage Products Company announced the launch of a 3TB[1] 2.5-inch hard disk drive (HDD), the industry’s largest capacity[2]. Utilizing perpendicular magnetic recording (PMR) technology, the “MQ03ABB300” is the industry’s first[2] 2.5-inch HDD to achieve 750GB per platter, using a total of 4 platters to achieve storage of 3TB. Suitable for external personal storage devices and space-constrained use cases requiring high storage capacity, the “MQ03ABB300” is small in size but large in storage capability. Sample shipments will begin in May.

Toshiba: Industry's Largest Capacity 3TB 2.5-inch HDD (Photo: Business Wire)

Toshiba: Industry's Largest Capacity 3TB 2.5-inch HDD (Photo: Business Wire)

The “MQ03ABB300” offers the best[2] in energy consumption efficiency[3] in the 2.5-inch form factor, with lower power consumption and 50 percent larger capacity compared to Toshiba’s previous generation 4-platter 2TB ”MQ01ABB200.”

The “MQ03ABB300” is suitable for single and multi-drive HDD home and SMB storage enclosures by providing ample space for data storage. The power efficient design also makes it a suitable solution for USB connected external personal storage applications.

[1] Definition of capacity: Toshiba defines a megabyte (MB) as 1,000,000 bytes, a gigabyte (GB) as 1,000,000,000 bytes and a terabyte (TB) as 1,000,000,000,000 bytes. A computer operating system, however, reports storage capacity using powers of 2 for the definition of 1GB = 230 = 1,073,741,824 bytes and therefore shows less storage capacity. Available storage capacity (including examples of various media files) will vary based on file size, formatting, settings, software and operating system, such as Microsoft Operating System and/or pre-installed software applications, or media content. Actual formatted capacity may vary.
[2] As a 2.5-inch HDD product, Toshiba research as of January 6th of 2015.
[3] Energy Consumption Efficiency: Energy consumption efficiency is calculated based on power consumption divided by formatted capacity, as defined by Japanese law.

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Customer Inquiries:
Storage Products Division
Tel: +81-3-3457-2445

Information in this document, including product prices and specifications, content of services and contact information, is current on the date of the announcement but is subject to change without prior notice.

About Toshiba

Toshiba Corporation, a Fortune Global 500 company, channels world-class capabilities in advanced electronic and electrical product and systems into five strategic business domains: Energy & Infrastructure, Community Solutions, Healthcare Systems & Services, Electronic Devices & Components, and Lifestyles Products & Services. Guided by the principles of The Basic Commitment of the Toshiba Group, “Committed to People, Committed to the Future”, Toshiba promotes global operations towards securing “Growth Through Creativity and Innovation”, and is contributing to the achievement of a world in which people everywhere live in safe, secure and comfortable society.

Founded in Tokyo in 1875, today’s Toshiba is at the heart of a global network of over 590 consolidated companies employing over 200,000 people worldwide, with annual sales surpassing 6.5 trillion yen (US$63 billion).
To find out more about Toshiba, visit


Media Inquiries:
Toshiba Corporation
Semiconductor & Storage Products Company
Koji Takahata, +81-3-3457-4963
Email Contact

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