The world of hard disk drives (HDD) has received a new member with some pretty impressive features. It’s none other than the MG07ACA Series by Toshiba Electronic Devices & Storage Corporation.

The MG07ACA Series is dubbed as the world’s first¹ enterprise 14TB² Conventional Magnetic Recording (CMR) HDD, with a 9-disk, helium-sealed design that ensures higher benefits like power-efficient capacity and storage density needed by cloud-scale and enterprise storage solution providers. Toshiba Group’s laser welding technology helps keep the helium securely sealed inside the drive enclosure.

This latest series comprises two models – 14TB 9-disk and 12TB 8-disk. The helium-sealed 3.5-inch³ mechanical design realises better storage density and a lower HDD operating power profile than its predecessor, the MG06ACA Series.

The drives support a SATA 6Gbit/s interface and 7,200rpm access performance. The 9-disk 14TB models achieve a 40% increase in maximum capacity over previous MG06ACA 10TB models. Additionally, the 14TB models improve power efficiency by over 50% (W/GB)‎⁴.

While enterprise server and storage customers realise that shingled magnetic recording (SMR) technology can improve HDD capacity, the adoption of SMR HDD products into server and storage systems is a transition that will take several years. Toshiba’s new helium-sealed enterprise HDD is the world’s first 14TB of storage capacity using conventional rather than shingled magnetic recording technology, giving enterprise customers the highest capacity HDD available in the market today for existing server and storage system architectures.”

– John Rydning, Research Vice President for hard disk drives at IDC.


Product pricing and availability will be updated at a later time.

1Source: Toshiba Electronic Devices & Storage Corporation, as of December 8, 2017.
2Definition of capacity: A terabyte (TB) is 1,000,000,000,000 bytes. A computer operating system, however, reports storage capacity using powers of 2 for the definition of 1TB = 240 = 1,099,511,627,776 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 and/or pre-installed software applications, or media content.  Actual formatted capacity may var..
3Form Factor: “3.5-inch” means the form factor of HDDs. They do not indicate drive’s physical size.
4Power efficiency is calculated based on active idle power consumption divided by formatted capacity.

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