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Silver 3.5 inch hard drive with label showing 12TB SAS 12Gb/s 7200 RPM

Toshiba

Toshiba MG09SCA12TE 12TB 7200 RPM 512MB SAS 12Gb/s 3.5" internal hard drive

SKU CH-5AMJ-B32E0 MPN MG09SCA12TE

12TB 7200 RPM SAS 12Gb/s 3.5-inch drive with 512MB cache and helium-sealed 9-disk CMR design for cloud-scale storage infrastructure

  • Total capacity12 TB
  • Interface typeSAS 12Gb/s
  • Form factor3.5 in (8.89 cm)
  • Rotational speed7,200 RPM
  • Cache memory512 MB
  • Key featuresApplications Cloud-scale Sever and Storage Infrastructure So
  • Massive 12 TB capacity fits cloud-scale storage arrays
  • 7200 RPM spindle delivers responsive throughput for tiered workloads
  • 512 MB cache absorbs burst I/O in software-defined environments
  • Helium-sealed 9-disk design enables 18 TB ceiling with lower power per TB
  • SAS 12 Gb/s interface matches data-centre backplane standards

Enterprise storage drive

The Toshiba MG09SCA12TE is a 12TB 3.5-inch internal hard drive built for cloud-scale servers and software-defined data centres. It runs at 7200 RPM with a 512MB cache and uses a SAS 12Gb/s interface. The helium-sealed, 9-disk design supports capacity-optimised rack-scale systems and tiered storage infrastructure.

Helium-sealed 9-disk build

Conventional Magnetic Recording and Flux Control Microwave-assisted Magnetic Recording keep the drive compatible with existing arrays while raising areal density. The industry-standard 26.1mm height fits regular 3.5-inch bays and the SAS connector provides dual-port redundancy for continuous operation. A lower operational power profile improves watts-per-terabyte efficiency in large deployments.

Upgrade from lower-capacity spindles

Replacing 6TB or 8TB drives with this 12TB model cuts the number of spindles needed for a given raw capacity, reducing rack space and cabling. The jump is worth it when backup windows shrink or when object-based archives grow past the density limits of earlier helium or air-filled drives.

How it compares

Measured against everything we stock in 3.5-Inch Internal Desktop HDDs, at today’s prices. Recalculated every night.

Price $250.99
Pricier than about 77% of the 4,938 comparable items (median $107.99).
Total capacity 12 TB
Higher than about 90% of the 2,372 comparable items (median 2 TB).
Price per TB $20.92 per TB
Cheaper than about 92% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameTOSHIBA
Product lineMG09 Series
Model nameMG09SCA12TE
Total capacity12 TB
Performance
Rotational speed7,200 RPM
Storage
Cache memory512 MB
Ports & slots
Interface typeSAS 12Gb/s
Size & build
Form factor3.5 in (8.89 cm)
Shipping weight0.69 kg
Package size152 × 102 × 25 mm

Questions about this item

What throughput does the SAS 12Gb/s interface actually deliver on this drive?

The SAS 12Gb/s interface supports up to 12.0 Gbit/s, though sustained rates depend on the 7200 RPM platters and 512MB cache.

Will the 26.1mm height fit a standard 3.5-inch server bay?

Yes, the 3.5-inch 26.1mm form factor matches the industry-standard half-height slot used in most servers and arrays.

How is the helium-sealed 9-disk assembly installed without breaching the seal?

Mount the drive using the standard 3.5-inch screw holes; do not remove the breather filter label or apply pressure to the top cover.

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