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Silver 3.5 inch SATA hard drive with exposed circuit board

Toshiba

Toshiba MG04ACA400N 4 TB 7200 RPM 3.5" SATA HDD

SKU CH-RNJ2-ERZN0 MPN MG04ACA400N

A 4 TB enterprise hard drive spinning at 7200 RPM with 128 MB cache and a 3.5-inch SATA interface

  • High capacity stores large datasets with 4 TB
  • Fast spindle speed accelerates read and write operations at 7200 RPM
  • Large buffer smooths burst workloads using 128 MB cache
  • Standard desktop form factor fits 3.5 in drive bays
  • SATA interface connects directly to common host controllers

4 TB Enterprise SATA Hard Drive

This Toshiba MG04ACA400N is a 3.5-inch hard disk drive built for enterprise workloads. It delivers 4 TB of storage on a SATA interface spinning at 7200 RPM with a 128 MB cache. The drive is supplied new in OEM packaging.

Suited for bulk storage arrays.

System builders filling 3.5-inch bays in servers, NAS units or desktop workstations will match the form factor and SATA connection. The mechanical design and enterprise firmware target continuous operation rather than mobile or low-power scenarios. Buyers needing a 2.5-inch drive or a different interface cannot use this model.

7200 RPM spindle speed defines sustained throughput

The 7200 RPM rotation rate sets the baseline sequential transfer performance for large-file workloads such as video archives or backup targets. A 128 MB cache absorbs burst writes before they reach the platters. If an application demands lower latency than a mechanical spindle can provide, this drive will not meet that requirement.

Highlights

  • High capacity stores large datasets with 4 TB
  • Fast spindle speed accelerates read and write operations at 7200 RPM
  • Large buffer smooths burst workloads using 128 MB cache
  • Standard desktop form factor fits 3.5 in drive bays
  • SATA interface connects directly to common host controllers

Specifications

No published specifications for this item yet.

Questions about this item

Does my system need a free 3.5-inch drive bay and a SATA power cable for the MG04ACA400N?

Yes, the 3.5-inch form factor requires a standard drive bay and the SATA interface needs both a data cable and a SATA power connector from the PSU.

Will the MG04ACA400N work on an older motherboard that only supports SATA 3 Gb/s?

The drive uses the SATA interface and will operate on a 3 Gb/s port, though its 6 Gbps capability will run at the slower link speed.

How can I confirm the MG04ACA400N is running at 7200 RPM after installation?

Check the drive’s reported rotation speed in the BIOS or a tool such as CrystalDiskInfo; it should show 7200 RPM for this model.

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