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Silver rectangular 3.5 inch hard drive with circuit board visible on underside

HGST

HGST HDS724040ALE640 Deskstar 7K4000 4TB 7200 RPM 64MB 3.5" SATA internal hard drive

SKU CH-65KC-F9VEN MPN HDS724040ALE640

A 4 TB desktop hard drive with a 7200 RPM spindle, 64 MB buffer and SATA 6.0 Gb/s interface

  • InterfaceSATA 6.0Gb/s
  • Capacity4TB
  • RPM7200 RPM
  • Form Factor3.5"
  • 4 TB capacity stores large media libraries and backups
  • 7200 RPM spindle speed delivers responsive read and write performance
  • 64 MB buffer smooths burst workloads for consistent throughput
  • SATA 6.0 Gb/s interface provides high bandwidth for desktop systems
  • 5 inch form factor fits standard drive bays and enclosures

4TB 7200 RPM desktop drive

The HGST Deskstar 7K4000 is a 3.5 inch internal hard drive with 4TB capacity and a 7200 RPM spindle speed. It connects through a SATA 6.0Gb/s interface and includes a 64MB buffer. The drive is supplied new and designed for standard desktop bays.

Who this suits and who should look elsewhere

This drive suits desktop builders who need high-capacity mechanical storage for bulk data, media libraries or backups. It is not for systems that require solid-state speed, low power draw or a 2.5 inch form factor. Buyers who need more storage than 4TB or a different interface should consider other options.

The deciding specification

The SATA 6.0Gb/s interface determines whether this drive will work in your system. Verify that your motherboard or controller provides a compatible SATA port before purchase.

Highlights

  • 4 TB capacity stores large media libraries and backups
  • 7200 RPM spindle speed delivers responsive read and write performance
  • 64 MB buffer smooths burst workloads for consistent throughput
  • SATA 6.0 Gb/s interface provides high bandwidth for desktop systems
  • 5 inch form factor fits standard drive bays and enclosures

Specifications

BrandHGST
ModelHDS724040ALE640
InterfaceSATA 6.0Gb/s
Capacity4TB
RPM7200 RPM
Form Factor3.5"
Shipping weight0.91 kg
Package size3734 × 2581 × 663 mm

Questions about this item

What does the SATA 6.0 Gb/s interface cap in practice?

The SATA 6.0 Gb/s interface caps the maximum data transfer rate at 600 MB/s, so the 7200 RPM drive cannot exceed that throughput even if its internal media speed is higher.

What physical space does this 3.5" drive need to fit or mount?

It requires a standard 3.5-inch internal drive bay and uses the usual SATA data and power connectors; the 4 TB capacity does not change the mounting dimensions.

How is this drive installed, and what step do people often get wrong?

Mount the drive in a 3.5" bay, connect the SATA data cable to a SATA 6.0 Gb/s port and attach the SATA power cable; the step often missed is enabling the SATA controller in BIOS so the 4 TB volume appears.

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