Toshiba Launches 8TB HDD for NAS Applications

Toshiba: 8TB HDD for NAS Applications /"MN Series" (Photo: Business Wire)

TOKYO--()--Toshiba Corporation’s (TOKYO:6502) Storage & Electronic Devices Solutions Company today announced the launch of a new line-up of HDDs, “MN Series”, for network attached storage (NAS) applications. Shipments start from today.

The new “MN Series” HDD line-up delivers up to 8TB[1] capacity in a 3.5-inch[2] form factor with a SATA interface. The drives are designed for 24/7 power-on operation and have a rated annual workload of 180TB[3] transferred. They feature rotational vibration compensation technology and are suitable for use in home NAS and small office/home office (SOHO) NAS applications. The drives also have an 128MiB[4] buffer, and the 8TB model achieves a data transfer rate of 230 MiB/s[5].

New HDD Line-up

Part Number  


  Size   Applications   Features
MN05ACA800 8 TB

3.5-inch form factor
* Height : 26.1 mm
* Width : 101.85 mm
* Length : 147 mm

* Home NAS

* 7,200rpm
* SATA 6Gbit/s
* Workloads of up to 180TB per year
* 24/7 operation
* MTTF of 1,000,000 hours[6]
* Rotational vibration compensation technology

MN05ACA600 6 TB
MN04ACA400   4 TB      

[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]"2.5-inch" and "3.5-inch" mean the form factor of HDDs or SSDs. They do not indicate drive's physical size.
[3] Workload is a measure of the data throughput of the year, and it is defined as the amount of data written, read or verified by commands from the host system.
[4] A mebibyte (MiB) means 220, or 1,048,576 bytes.
[5] Read and write speed may vary depending on the host device, read and write conditions, and file size.
[6] MTTF (Mean Time to Failure) is not a guarantee or estimate of product life; it is a statistical value related to mean failure rates for a large number of products which may not accurately reflect actual operation. Actual operating life of the product may differ from the MTTF.

Follow the link below for more on the new products.

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 correct 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 three focus business fields: Energy that sustains everyday life, that is cleaner and safer; Infrastructure that sustains quality of life; and Storage that sustains the advanced information society. Guided by the principles of The Basic Commitment of the Toshiba Group, “Committed to People, Committed to the Future”, Toshiba promotes global operations and is contributing to the realization of a world where generations to come can live better lives.

Founded in Tokyo in 1875, today’s Toshiba is at the heart of a global network of 550 consolidated companies employing 188,000 people worldwide, with annual sales surpassing 5.6 trillion yen (US$50 billion). (As of March 31, 2016.)
To find out more about Toshiba, visit


Media Inquiries:
Toshiba Corporation
Storage & Electronic Devices Solutions Company
Digital Marketing Department
Koji Takahata, +81-3-3457-4963

Release Summary

Toshiba launched a new line-up of HDDs, "MN Series", for network attached storage (NAS) applications. The new line-up delivers up to 8TB capacity in a 3.5-inch form factor with a SATA interface.


Media Inquiries:
Toshiba Corporation
Storage & Electronic Devices Solutions Company
Digital Marketing Department
Koji Takahata, +81-3-3457-4963