Toshiba MG09 3.5″ 20TB 7200RPM SATA-3.3 512e Internal Hard Drive


Toshiba MG09 3.5″, 20 TB, SATA, 7200rpm, 281 (MB/s) HDD (MG10ACA20TE)

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Rethink Your Data Storage Toshiba Enterprise HDDs

The MG10 Series features Toshiba’s fourth-generation, 10-disk Helium-sealed design to advance Conventional Magnetic Recording (CMR) density to 2 TB per disk, achieving a total capacity up to 20 TB.The industry-standard 3.5-inch form-factor provides 7200rpm performance, and integrates easily into cloud-scale storage infrastructure, business-critical servers and storage, and File and Object storage solutions.

The massive 20 TB CMR capacity is delivered using Toshiba’s innovative Flux Control Microwave Assisted Magnetic Recording (FC-MAMR™) technology. These advances help the MG10 Series to achieve optimum storage capacity and application compatibility, with unsurpassed data reliability. Available with a SATA 6.0Gbit/s interface, the MG10 Series models integrate easily into standard 3.5-inch drive bays to help reduce the footprint and operational burden of cloud-scale storage infrastructure, File and Object storage systems, and business critical servers and storage systems.

Massive Capacity

Up to 20 TB of Conventional Magnetic Recording (CMR) capacity. Available in SATA models with 512e or 4Kn Advanced Format Sector Technology.

Enterprise Grade Reliability

Includes Toshiba Persistent Write Cache Technology for Data-Loss Protection in Sudden Power-Loss Events (512e models).

Industry Leading Mechanical Design

10-disk design for superior storage density.

Toshiba Precision Laser Welding Technology

Seals helium inside the 10-disk mechanics to reduce aerodynamic drag and deliver a lower operational power profile.

Lower Total Cost of Ownership (TCO)

Lower operational power profile, providing excellent power efficiency (W/TB) for better TCO.

Additional information

Weight 0.71668 kg
HDD size


HDD capacity

20 TB

HDD speed

7200 RPM


Serial ATA



Component for




Storage drive buffer size

512 MB

HDD interface transfer rate

6 Gbit/s

HDD sustained transfer rate

281 MiB/s

24/7 operation


Workload rate limit

550 TB/year

Mean time to failure (MTTF)

2500000 h

Power consumption (typical)

9.3 W

Warranty period

5 year(s)




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