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Silver rectangular 3.5 inch hard drive with circuit board visible

Toshiba

Toshiba MG04ACA400N 4TB 3.5" SATA 7200 RPM 128MB internal hard drive

SKU CH-EYAV-EZ7H5

A 4 TB desktop SATA hard drive spinning at 7200 RPM with a 128 MB cache and 512n sector format

  • 4 TB capacity stores large datasets
  • 7200 RPM spindle delivers fast sequential throughput
  • 128 MB cache buffers burst workloads
  • SATA 6.0 Gb/s interface ensures broad compatibility
  • 512 n native sectors simplify OS integration

4 TB SATA enterprise drive

The Toshiba MG04ACA400N is a 4 TB 3.5" internal hard drive built for desktop and server workloads. It spins at 7200 RPM with a 128 MB cache and a SATA 6.0 Gb/s interface. The 15 mm z-height fits standard enterprise bays and the 512n sector format keeps compatibility broad.

Suited for bulk storage arrays

This drive suits administrators who need high-capacity, cost-effective storage for backups, archives or near-line data. It is not for systems that require solid-state latency, for laptops or small-form-factor chassis that cannot accept a 15 mm 3.5" device, or for workloads that demand sustained write speeds beyond what a mechanical spindle can deliver.

Four terabytes of sequential headroom

The 4 TB capacity comfortably holds large media libraries, disk images and months of incremental backups. Sequential throughput handles streaming reads and writes for surveillance or media ingest, while random I/O runs out quickly under heavy database or virtualisation loads that need low latency and high IOPS.

Highlights

  • 4 TB capacity stores large datasets
  • 7200 RPM spindle delivers fast sequential throughput
  • 128 MB cache buffers burst workloads
  • SATA 6.0 Gb/s interface ensures broad compatibility
  • 512 n native sectors simplify OS integration

Specifications

No published specifications for this item yet.

Questions about this item

Does my desktop case have a 3.5 inch bay and 15 mm clearance for this drive?

The drive fits a standard 3.5 inch bay and is 15 mm tall, so most desktop cases with a 3.5 inch slot will accept it.

Will the SATA 6.0 Gb/s interface work with my older SATA 3 Gb/s motherboard port?

Yes, the SATA 6.0 Gb/s interface is backward compatible and will run at the slower port speed without any configuration.

How can I confirm the 7200 RPM spindle speed and 128 MB cache are active after installation?

Check the drive details in Windows Device Manager or run a SMART tool such as CrystalDiskInfo to see the reported rotation rate and cache size.

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