Banner image showcasing Toshiba MG04 series server HDDs in a robust design engineered for tier 2 business-critical servers and storage systems.
MG04 Series Hard Drive
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Product image showing Toshiba MG04 Series enterprise server HDD offers 4/2/1TB models and 3.5-inch form factor for high-density data storage solution.

Toshiba MG04 Series Hard Disk Drives

  • Industry Standard 3.5-inch 26.1 mm Height Form-Factor
  • Large Capacity (Up to 4 TB Models)
  • 7,200 rpm Performance
  • 550 Total TB Transferred per Year Workload Rating
Colleagues discuss upgrading to MG04 Series HDD, a cost-effective enterprise server HDD built for reliable storage and efficient business operations.
MG04 Drives

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Toshiba MG04 Series enterprise server HDDs offer 7,200 rpm performance and support for mid-line/nearline business-critical workloads.

Toshiba MG04 Series Hard Disk Drives

  • Industry Standard 3.5-inch 26.1 mm Height Form-Factor
  • Large Capacity (Up to 4 TB Models)
  • 7,200 rpm Performance
  • 550 Total TB Transferred per Year Workload Rating
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An Extensive Lineup

Up to 4 TB of capacity in SATA or SAS models with 512e or 4Kn Advanced Format Sector Technology.

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Enterprise Grade Reliability

With an annual workload of 550 TB and MTTF of 1.4 million hours, the MG04 Series is designed for mid-line/nearline business-critical workloads.

Industry Leading Design

Toshiba Persistent Write Cache Technology

Data-Loss Protection in Sudden Power-Loss Events (512e Model and 4 TB Model).

Tier 2 Business-Critical Servers and Storage Systems

The MG04ACA Enterprise Capacity HDD models provide capacities up to 4 TB and 7,200 rpm performance, in a robust design engineered for nearline business-critical workloads. Models utilize industry-standard 3.5-inch 26.1 mm height form factor and Advanced Format sector technologies for optimum capacity and data reliability. 

512e or 4Kn Advanced Format sector technology models are available. 4Kn models (MG04ACAxxxA) offer optimum performance and compatibility with the 4K applications and operating environments. 512e models (MG04ACAxxxE) provide support for legacy applications and operating environments that require 512 B sector lengths. 512e models support Toshiba Persistent Write Cache technology which helps enhance performance with handling data in the event of a sudden loss of power. 

MG04ACA are equipped with a SATA 6.0 Gbit/s interface and MG04SCAxxEx models are equipped with a 12 Gbit/s SAS interface to help save rack space and reduce the footprint and operational burden of business critical servers and storage systems.

The Enterprise Capacity HDD 512 native, 7,200 rpm models (MG04ACA-N, MG04SCAxxEN) come in a robust design up of 1, 2 and 4 TB in a 3.5-inch form factor. Features of MG04ACA-N series, with a SATA 6 Gbit/s interface, MG04SCAxxEN series, with a 12 Gbit/s SAS interface, include industry-standard 512 native format sector technology for environments and applications that require 512 native. Model options supporting Sanitize Instant Erase (SIE) are also available. This feature randomizes data instantly in case of unintended disclosure in the event that drives are re-purposed or moved outside of data center environments.

Toshiba MG10 Series enterprise HDDs enhance storage capacity and application compatibility, ensuring data management for cloud-scale infrastructures.
Toshiba MG10 Series High Capacity Cloud Storage HDD with 550 TB per year workload rating and low power profile for efficient, optimized cloud-scale storage. 

Harness the Power

  • Industry Standard 3.5-inch 26.1mm height Form Factor
  • 550 Total TB Transferred per Year Workload Rating
  • 7200 rpm Performance
  • 4Kn, 512n Native Sector Technology, or 512e Advanced Format Sector Technology
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Specifications

Available Capacities4 TB, 2 TB, 1 TB
Form Factor3.5-inch
InterfaceSATA: 6 Gbit/s
SAS: 12 Gbit/s
Buffer Size128 MiB
Rotation Speed7200 rpm
Data Transfer Speed
( Sustained )
SATA 4 TB: 185 MiB/s
SATA 2 TB: 175 MiB/s
SATA 512n: 195 MiB/s
SAS: 205 MiB/s
SAS-512n: 195 MiB/s
Power Consumption
( Idle - A ) ( Typ. )
7.5 W
MTTF1 400 000 h
Weight ( Max )SATA 4 TB, 2 TB: 720 g
SAS: 720g

Features

  • Industry Standard 3.5-inch 26.1 mm Height Form-Factor
  • Large Capacity (Up to 4 TB Models)
  • 7,200 rpm Performance
  • 550 Total TB Transferred per Year Workload Rating
  • 4Kn, 512n Native Sector Technology, or 512e Advanced Format Sector Technology
  • Sanitize Instant Erase (SIE) Option Available

Models

CapacityFormatTypeModel Number
4 TB512nStandardMG04ACA400N
4 TB512nSIEMG04ACA400NY
2 TB512nStandardMG04ACA200N
2 TB512nSIEMG04ACA200NY
1 TB512nStandardMG04ACA100N
1 TB512nSIEMG04ACA100NY
4 TB4KnStandardMG04SCA40EA
4 TB4KnSIEMG04SCA40EAY
4 TB512eStandardMG04SCA40EE
4 TB512eSIEMG04SCA40EEY
2 TB4KnStandardMG04SCA20EA
2 TB4KnSIEMG04SCA20EAY
2 TB512eStandardMG04SCA20EE
2 TB512eSIEMG04SCA20EEY
4 TB512nStandardMG04SCA40EN
4 TB512nSIEMG04SCA40ENY
2 TB512nStandardMG04SCA20EN
2 TB512nSIEMG04SCA20ENY

MG04ACA600E , MG04ACA600A, MG04ACA600EY, MG04ACA600AY, MG04ACA50DE, MG04ACA50DA, MG04ACA50DEY, MG04ACA50DAY, MG04SCA60EE, MG04SCA60EA: Alternate location of bottom mounting holes is applied TYPE 1. Click here for detail.

Applications

  • Engineered for Mid-line / Nearline Business Critical Workloads
  • Tier 2 Business-Critical Servers and Storage Systems
  • Servers Supporting Application Workloads that Benefit from High Capacity per Spindle
  • Capacity-Optimized Data Center Storage Systems
MG04 Series HDDs are engineered for mid-line workloads, tier 2 servers & capacity-optimized data center storage systems with high-capacity efficiency.

Documents

NameDate
MG04A Series Product Overview
PDF 591KB
07/2015
MG04ACA Series Product Manual
PDF 1.6MB
07/2015
MG04ACA-N Series Product Overview
PDF 168KB
01/2018
MG04SCA Series Product Overview
PDF 608KB
10/2015
MG04SCA Series Product Manual
PDF 1.5MB
07/2015
MG04SCA-N Series Product Overview
PDF 192KB
06/2016
2.2TB or Larger capacity storage products
PDF 50KB
02/2013

It's Easy to Switch to Toshiba

 
MG10 Series Enterprise HDDs up to 20TB | Toshiba | Make the switch today
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Make the switch today

We’ve made it easy for you to find the best, most cost-effective HDD solution for your business.

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MG10 Series Enterprise HDDs up to 20TB | Toshiba | Where to buy
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Where to buy

Toshiba hard drives are currently available at select distributors.

Ways to Buy

*Toshiba does not guarantee the availability of all products or models at these retailers and distributor.

Use Cases
MG10 Series Enterprise HDDs up to 20TB | Toshiba | Why HDDs Still Play a Crucial Role in the Enterprise Storage Business

Why HDDs Still Play a Crucial Role in the Enterprise Storage Business

As Big Data drives demand for more distributed storage in the cloud and on premise, enterprise server and storage systems need to be built upon trusted solutions.

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MG10 Series Enterprise HDDs up to 20TB | Toshiba | Behind the Scenes: HDDs’ Critical Role in Media and Entertainment

Behind the Scenes: HDDs’ Critical Role in Media and Entertainment

The media and entertainment industry is constantly evolving, with new technologies emerging that allow us to create, store, and distribute content in new and innovative ways

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MG10 Series Enterprise HDDs up to 20TB | Toshiba | Behind the Lens: How Surveillance Systems Increasingly Depend on HDDs

Behind the Lens: How Surveillance Systems Increasingly Depend on HDDs

Surveillance systems are becoming increasingly common in businesses, schools, and other public places. These systems increasingly rely on hard disk drives (HDDs) to store the vast amounts of data that they generate.

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Frequently Asked Questions

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Purchase

Where to BuyWhere to Buy
  • Instructions for Dispose
    Please dispose in accordance with local rules.
  • Instructions for erase of the data on the HDDs in case of dispose or transfer
    HDDs incorporated in personal computer or several home appliance may record personal data and/or other important data as signal. In order to avoid disclosing such data, it is important to erase it when you dispose or transfer the HDDs.
  • Source of Industry-leading : Toshiba Electronic Devices & Storage Corporation, as of January, 2019 for the 3.5-inch, 26.1mm height.
  • Product image may represent a design model.
  • Definition of capacity: One terabyte (TB) = one trillion bytes, but storage capacity actually available may vary depending on operating environment and formatting.  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 vary.
  • A mebibyte (MiB) means 1 048 576  bytes.
  • MTTF / MTBF (Mean Time to Failure / Mean Time Between Failures) 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 be different from the MTTF/MTBF.
  • Read and write speed may vary depending on the host device, read and write conditions, and file size.
  • SIE: Sanitize Instant Erase. SIE is a function to invalidate the data recorded on the magnetic disks at a blink.
  • SED supports TCG Enterprise SSCs.
  • The HDDs which have any security function may not be available in the countries where the use of such HDDs is prohibited or limited due to export control and local regulations.
  • "3.5-inch" mean the form factor of HDDs. They do not indicate drive's physical size.
  • 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.
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