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Toshiba to Launch 5TB, 7,200 RPM Enterprise HDD

Toshiba Corporation’s (TOKYO:6502) Semiconductor & Storage Products Company today announced that it will launch the MC04ACA series, Toshiba’s first enterprise capacity hard disk drive (HDD) optimized for servers supporting cloud-based applications and analytic workloads. With a 3.5-inch form factor, the MC04ACA series delivers up to 5TB[1] of storage with 7,200 rotations per minute (RPM) performance, reducing storage latency and making the MC04ACA series suitable for workloads and storage requirements generated by cloud computing. Mass production shipment in the Japanese market will start from the end of May.

Toshiba: Enterprise HDD MC04ACA Series for Cloud-based Workloads (Photo: Business Wire)

Toshiba: Enterprise HDD MC04ACA Series for Cloud-based Workloads (Photo: Business Wire)

The MC04ACA series is available in 2TB, 3TB, 4TB, and 5TB capacities and supports cloud use-case workloads of up to 180TB per year. The MC04ACA series supports 1TB per platter areal density, thus saving rack space and reducing the footprint and operational burden of cloud workload servers and storage systems. With up to 5TB storage capacity per host connection, the newest Toshiba HDD series boosts capacity per SATA port and enables fewer disks to handle the same storage capacity, reducing power and cooling costs on a per TB basis. The new series also boasts 6Gbit/s SATA interface speeds and Advanced Format sector technology, allowing compatibility with legacy applications and operating environments using aligned writes.

Outline of the New Products

Model Name  






MC04ACA500E 5TB Height : 26.1 mm

Width : 101.6 mm

Length : 147 mm

  • Tier 3 cloud servers and storage systems
  • 5TB capacity
  • Workloads of up to 180TB per year
  • SATA 6Gbit/s interface
  • 7,200 rpm
MC04ACA200E   2TB      


[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.

Follow this link for more on this product.

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 is a world-leading diversified manufacturer, solutions provider and marketer of advanced electronic and electrical products and systems. Toshiba Group brings innovation and imagination to a wide range of businesses: digital products, including LCD TVs, notebook PCs, retail solutions and MFPs; electronic devices, including semiconductors, storage products and materials; industrial and social infrastructure systems, including power generation systems, smart community solutions, medical systems, escalators and elevators; and home appliances.

Toshiba was founded in 1875, and today operates a global network of more than 590 consolidated companies, with 206,000 employees worldwide and annual sales surpassing 5.8 trillion yen (US$61 billion). Visit Toshiba's web site at

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