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Silver 3.5 inch bare hard drive with green circuit board visible underneath

Seagate

Seagate ST4000DM005 4TB 7200 RPM 64MB SATA 6.0Gb/s 3.5" internal hard drive

SKU CH-GQ46-AA8BY MPN ST4000DM005

3.5-inch 4 TB desktop hard drive runs at 7200 RPM with 64 MB cache and SATA 6.0 Gb/s interface

  • Total capacity4 TB
  • Interface typeSATA 6.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Packaging typeBare Drive
  • Rotational speed7,200 RPM
  • Cache memory64 MB
  • 4TB capacity stores large media libraries
  • 7200 RPM spindle speed delivers responsive data access
  • 64MB cache buffer improves burst transfer performance
  • SATA 6.0Gb/s interface ensures broad desktop compatibility
  • 5-inch form factor fits standard drive bays

4 TB Desktop Hard Drive

The Seagate BarraCuda ST4000DM005 is a 3.5 inch internal hard drive with a 4 TB capacity. It spins at 7200 RPM and includes a 64 MB cache. The drive uses a SATA 6.0Gb/s interface and measures 146.99 mm long, 101.60 mm wide and 26.11 mm high. It is sold new as a bare drive.

SATA 6.0Gb/s Interface Limits

The SATA 6.0Gb/s interface sets a maximum theoretical burst rate of 600 MB/s. Sustained transfer speeds depend on the drive’s mechanical performance and system workload. The interface is backward compatible with older SATA revisions. Cable length and host controller quality can affect real-world throughput.

4 TB Capacity Decides Fit

The 4 TB capacity determines how much data the drive can hold. Buyers who need more storage must choose a higher-capacity model. The 7200 RPM spindle speed and 64 MB cache influence responsiveness for daily computing tasks. Verify that the system has a free 3.5 inch bay and a SATA power and data connection.

How it compares

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

Price $96.99
Typical for this category: the median of 4,938 items is $107.99.
Total capacity 4 TB
Higher than about 70% of the 2,372 comparable items (median 2 TB).
Price per TB $24.25 per TB
Cheaper than about 90% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameSeagate
Product lineBarraCuda
Model nameST4000DM005
Total capacity4 TB
Recommended useFor Daily Computing
Performance
Rotational speed7,200 RPM
Storage
Cache memory64 MB
Ports & slots
Interface typeSATA 6.0Gb/s
Size & build
Form factor3.5 in (8.89 cm)
Max height26.11 mm
Maximum width101.6 mm
Maximum length146.99 mm
Shipping weight0.57 kg
Package size150 × 104 × 33 mm

Questions about this item

Is the 4TB capacity the right choice for my desktop?

The 4TB capacity stores large game libraries, media collections and backups in a single 3.5 inch drive, avoiding the need for multiple smaller units.

What does the 7200 RPM speed deliver in daily use?

The 7200 RPM spindle provides responsive sequential throughput for loading games, applications and large media files on a desktop system.

How does the SATA 6.0Gb/s interface limit real-world transfer rates?

The SATA 6.0Gb/s link caps burst transfers at the interface maximum, while sustained rates follow the 7200 RPM mechanical performance.

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