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Silver 3.5 inch internal hard drive with circuit board visible

Toshiba

Toshiba MC04ACA400EProduct 4 TB 3.5" internal hard drive 7200 RPM 128 MB SATA 600

SKU CH-HC9K-3RKFK MPN MC04ACA400EProduct

4 TB 3.5" internal hard drive spinning at 7200 RPM with a 128 MB buffer and SATA 600 interface for desktop bulk storage

  • 4 TB capacity stores large data sets
  • 7200 RPM spindle speed enables fast sequential access
  • 128 MB buffer improves burst transfer performance
  • SATA 600 interface supports 6 Gbit/s throughput
  • 5 inch form factor fits standard desktop bays

Purpose-built for bulk storage

This 4 TB 3.5 inch internal hard drive is designed for desktop systems and servers that need high-capacity bulk storage. The MC04ACA series targets cloud-based applications and analytic workloads where large sequential data sets are common. It connects via a SATA 600 interface for straightforward integration into existing drive bays.

Capacity and headroom

The drive provides 4 TB of storage with a 128 MB buffer to smooth sustained transfers. At 7200 RPM it handles sequential workloads such as media archives, backups and data lakes, but random I/O performance will limit responsiveness in transaction-heavy databases. The series scales to 5 TB for configurations that require additional headroom.

Thermals and acoustics

The 3.5 inch form factor dissipates heat through the chassis airflow typical of server and desktop enclosures. Operational noise is consistent with standard nearline drives running at 7200 RPM and is not rated for silent environments. Power draw follows the SATA 600 specification without requiring auxiliary connectors.

Highlights

  • 4 TB capacity stores large data sets
  • 7200 RPM spindle speed enables fast sequential access
  • 128 MB buffer improves burst transfer performance
  • SATA 600 interface supports 6 Gbit/s throughput
  • 5 inch form factor fits standard desktop bays

Specifications

BrandTOSHIBA

Questions about this item

Will the 3.5" 4 TB drive work in a desktop that only has SATA 3 Gbit/s ports?

The drive uses the SATA/600 interface and will operate at the slower SATA 3 Gbit/s speed when connected to an older port, providing full 4 TB capacity.

How can I confirm the 7200 RPM drive is running correctly after installation?

The drive should appear in BIOS or disk management at its full 4 TB capacity, and SMART tools will report the 7200 RPM spindle speed and 128 MB buffer.

Does the retail box include mounting screws or a SATA data cable?

Retail or OEM packing may vary; the drive itself is supplied without screws or cables, which must be sourced separately.

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