Technical Snapshot

The Toshiba MG10 20TB SAS is an enterprise-class 3.5" hard disk drive designed for demanding server and data center workloads. Spinning at 7,200 RPM with a 512 MB cache buffer, it delivers sustained transfer rates up to 268 MB/s over a SAS 12Gb/s interface. The drive is rated for 550 TB/year workload with a 2,500,000 hours MTBF, backed by Toshiba's enterprise reliability engineering. With 20TB of raw storage capacity, it is suited for file servers, RAID arrays, backup infrastructure, and high-capacity storage deployments. Part of the Toshiba MG10 product line.

Use Case
Enterprise file servers, RAID arrays, data center storage
Compatibility
Standard 3.5" drive bay, SAS 12Gb/s interface
Category
Enterprise Hard Disk Drive — Toshiba MG10
TOSHIBA MG10 Image not available
Toshiba HDD
Toshiba MG10

MG10 20TB SAS

SAS 12Gb/s · 3.5" · 7,200 RPM · 512 MB · 20TB

Total raw storage capacity of the drive.
Capacity 20TB
Rotational speed of the disk platters. Higher RPM provides faster sequential and random I/O performance.
RPM 7,200
On-drive DRAM buffer for caching frequently accessed data and optimizing read/write operations.
Cache 512 MB
Annual workload rating. Enterprise drives support sustained 24/7 heavy use in server and NAS environments.
Workload 550 TB/year
MPNMG10SCA20TE
EAN4260557512500
CategoryHard Disk Drives
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Drive Specifications

Form Factor3.5"
InterfaceSAS 12Gb/s
RPM7,200 RPM
Cache512 MB
Sustained Transfer Rate268 MB/s
Workload Rating550 TB/year
MTBF2,500,000 hours
Power (Idle)4.38W
Power (Operating)8.11W

Full Specifications

Data sourced from Toshiba product specifications
Drive
SeriesMG10
Capacity20TB
Form Factor3.5"
InterfaceSAS 12Gb/s
RPM7,200 RPM
Cache512 MB
Performance
Sustained Transfer Rate268 MB/s
Workload Rating550 TB/year
Reliability
MTBF2,500,000 hours
Power (Idle)4.38W
Power (Operating)8.11W
Product
BrandToshiba
SegmentEnterprise
MPNMG10SCA20TE
EAN4260557512500
Physical
Weight0.72 kg
Package Dimensions14.732 x 10.16 x 2.54 cm

Support & Downloads

Toshiba MG10 20TB SAS Firmware UpdateLatest firmware · Check Toshiba support
Toshiba Support →
Toshiba MG10 20TB SAS DatasheetPDF · Technical specifications
Toshiba Support →
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Frequently Asked Questions

Is the MG10 20TB SAS compatible with my server?

The Toshiba MG10 20TB SAS uses a SAS 12Gb/s interface and requires a SAS-capable HBA or RAID controller. It is NOT compatible with standard SATA ports. SAS drives are designed for enterprise servers, SAN arrays, and high-performance storage subsystems.

Can I use the MG10 20TB SAS in a RAID array?

Yes. The Toshiba MG10 20TB SAS is designed for RAID deployments. Its 550 TB/year workload rating and 2,500,000 hours MTBF ensure reliability in RAID 5, RAID 6, RAID 10, and ZFS configurations. Enterprise and NAS drives include error recovery features (TLER/ERC) for RAID controller compatibility.

What does the 550 TB/year workload rating mean?

The workload rating indicates the maximum annual data transfer the drive supports while maintaining stated reliability. 550 TB/year means the drive supports approximately 1.5 TB of data transfer per day, suitable for busy file servers and multi-user environments.

How fast is the MG10 20TB SAS?

The Toshiba MG10 20TB SAS spins at 7,200 RPM with a 512 MB cache buffer, delivering sustained transfer rates up to 268 MB/s. This is optimal for sequential workloads like large file transfers and backup operations.

How much power does the MG10 20TB SAS consume?

The Toshiba MG10 20TB SAS draws 8.11W under operating load and 4.38W at idle. For multi-drive configurations, factor these values into your power budget — a 12-drive array would consume approximately 97W under load.

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