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Silver rectangular 3.5-inch bare hard drive with exposed circuit board

Toshiba

Toshiba MG03ACA300 3TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive

SKU CH-QF4F-PNJMJ MPN MG03ACA300

Enterprise-grade 3.5" drive delivers 3TB capacity with 7200 RPM speed and 64MB cache for 24x7 operation

  • Total capacity3 TB
  • Interface typeSATA 6.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Packaging typeBare Drive
  • Rotational speed7,200 RPM
  • Cache memory64 MB

Capacity 3TB

  • 3 TB capacity for large-scale data archives
  • 7200 RPM spindle speed for responsive nearline workloads
  • 64 MB cache buffer for smoother multi-drive throughput
  • 24x7 enterprise-rated operation for continuous server duty
  • Rotational Vibration Technology for stable performance in dense arrays

Enterprise 3 TB SATA drive

The Toshiba MG03ACA300 is a 3.5-inch enterprise hard drive with 3 TB capacity, 7200 RPM spindle speed and a 64 MB cache. It connects through a SATA 6.0 Gb/s interface and is built for continuous 24x7 operation in multi-drive systems. Rotational vibration technology helps maintain performance in dense chassis.

Suits nearline archives not high IOPS

This drive targets tier-two business-critical servers, backup appliances and cloud storage tiers that value cost per gigabyte over random-access speed. Buyers who need sub-millisecond latency or SSD-grade random IOPS should look at solid-state alternatives instead.

SATA 6.0 Gb/s interface decides fit

The single specification that determines compatibility is the SATA 6.0 Gb/s host interface; the drive will only work in systems that provide a standard SATA data and power connection.

How it compares

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

Price $172.99
Pricier than about 64% of the 4,938 comparable items (median $107.99).
Total capacity 3 TB
Higher than about 60% of the 2,372 comparable items (median 2 TB).
Price per TB $57.66 per TB
Cheaper than about 54% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameTOSHIBA
Model nameMG03ACA300
Total capacity3 TB
Recommended useFor Enterprise Storage
Performance
Rotational speed7,200 RPM
Mean latency6Gb/s
Storage
Cache memory64 MB
Ports & slots
Interface typeSATA 6.0Gb/s
Size & build
Form factor3.5 in (8.89 cm)
Shipping weight0.69 kg
Package size221 × 132 × 41 mm

Other versions of this model

3 more in the same range

Questions about this item

Do I need a SATA 6.0 Gb/s port on my motherboard or controller to use the MG03ACA300?

The drive uses a SATA 6.0 Gb/s interface and will also operate on SATA 3.0 Gb/s ports, though at the lower link speed.

Will the 26.1 mm height of this 3.5" drive fit in standard drive bays alongside thinner 3.5" drives?

Yes, 26.1 mm is the standard 3.5-inch form factor height, so it mounts in any regular 3.5" bay or hot-swap tray.

How can I verify the Error Correction Code and 24x7 operation features are active after installation?

Check the SMART attribute list for ECC error counts and confirm the drive reports no reallocated sectors; the firmware enables 24x7 operation by default.

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