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Seagate BarraCuda 3.5 inch bare internal hard drive with silver aluminium casing and green circuit board visible

Seagate

Seagate BarraCuda ST1500DM003 1.5TB 7200 RPM 64MB SATA 6.0Gb/s 3.5" internal hard drive

SKU CH-NCSY-W9F69 MPN ST1500DM003

A 1.5 TB desktop hard drive spinning at 7200 RPM with a 64 MB cache and SATA 6.0 Gb/s interface

  • PackagingBare Drive
  • Capacity1.5TB
  • RPM7200 RPM
  • InterfaceSATA 6.0Gb/s
  • Cache64MB
  • Average Latency4.16ms
  • 5 TB capacity stores large media libraries and backups
  • 7200 RPM spindle speed delivers fast sequential read and write performance
  • 64 MB cache with OptiCache technology boosts responsiveness by up to 45%
  • SATA 6.0 Gb/s interface provides high bandwidth for desktop workloads
  • AcuTrac technology maintains reliable tracking in high vibration environments

BarraCuda 1.5TB Desktop Hard Drive

The Seagate BarraCuda ST1500DM003 is a 1.5TB 3.5-inch internal hard drive spinning at 7200 RPM with a 64MB cache. It connects via a SATA 6.0Gb/s interface and uses Seagate OptiCache technology to improve performance by up to 45 percent. The drive is supplied as a bare unit without cables or mounting brackets.

Suits storage upgrades and secondary data volumes

This drive suits desktop owners adding bulk storage for documents, media or backups where solid-state speed is not required. It is not for buyers who need an operating-system drive with low latency or for systems that only accept 2.5-inch or M.2 form factors. The bare-drive packaging also means it lacks retail accessories.

Standard 3.5-inch SATA installation

Installation follows the usual 3.5-inch SATA procedure: secure the drive in a bay, attach a SATA data cable and a SATA power connector, then initialise it in the operating system. The drive was erased to DoD 5220.22 M standard and tested good, though up to 25 bad sectors may be present. SmartAlign technology handles alignment without jumper changes.

Highlights

  • 5 TB capacity stores large media libraries and backups
  • 7200 RPM spindle speed delivers fast sequential read and write performance
  • 64 MB cache with OptiCache technology boosts responsiveness by up to 45%
  • SATA 6.0 Gb/s interface provides high bandwidth for desktop workloads
  • AcuTrac technology maintains reliable tracking in high vibration environments

Specifications

BrandSeagate
SeriesBarraCuda
ModelST1500DM003
PackagingBare Drive
Capacity1.5TB
RPM7200 RPM
InterfaceSATA 6.0Gb/s
Cache64MB
Average Latency4.16ms
Form Factor3.5"
FeaturesSeagate OptiCache technology improves performance by up to 45%
Seagate AcuTrac technology enables reliable read/write performance even in high touch operating environments
Seagate SmartAlign technology for no-hassle transition to Advanced Format 4K sector technology
Free DiscWizard software enables 3TB drive use on legacy PC BIOS as well as Windows XP-based systems
SATA 6Gb/s maximizes data transfer rates
Shipping weight1.50 kg
Package size146 × 102 × 25 mm

Questions about this item

Will the 3.5-inch 1.5TB SATA 6.0Gb/s drive fit and power on in my desktop case?

The 3.5-inch form factor mounts in standard desktop bays and the SATA 6.0Gb/s interface connects to any SATA data and power cable already present in a typical PC.

Can the 7200 RPM 64MB cache drive serve as a secondary store alongside an older SATA 3.0Gb/s mechanical disk?

Yes, the SATA 6.0Gb/s interface is backward compatible so the drive will operate at the slower link speed when paired with an older controller.

How do I verify the 1.5TB capacity and 4.16ms latency are healthy after installation?

Initialise the drive in Disk Management, confirm the full 1.5TB appears, then run a SMART self-test to check for reallocated sectors and latency performance.

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