Seagate Barracuda 6TB Internal Hard Drive SATA 6Gb/s 256MB Cache 3.5-Inch (ST6000DM003)


  • Cost-effective storage upgrade for laptop or desktop computers

  • Store all your games, music, movies and more with up to 8TB of storage

  • SATA 6Gb/s interface optimizes burst performance; 256MB Cache

  • Seagate Secure models for hardware-based data security

  • Instant Secure Erase allows safe and easy drive retirement

  • Avaiability Out of stock

Bringing together amazing versatility, outstanding performance and unmatched dependability, the Seagate BarraCuda 3.5" internal hard drives provide an ideal solution for desktop or desktop-related storage.

Key Advantages

  • Versatile HDDs for all your computing needs bring you industry-leading excellence in personal computing.
  • Rock-solid reliability built on over 20 years of BarraCuda innovation
  • Capacities up to 8 TB for desktops, BarraCuda leads the market with the widest range of storage options available.
  • SATA 6 Gbps interface optimizes burst performance.
  • Advanced Power modes help save energy without sacrificing performance. 
  • Hardware-based data security & Instant secure erase

Best-Fit Applications

  • Desktop PCs
  • All-in-one computers
  • Home servers
  • Direct-attached external storage devices (DAS)

HDD Capacity. SSD Attitude.

Coupled with Intel Optane memory, a revolutionary class of non-volatile memory, BarraCuda hard drives deliver it all.

  • SSD-like performance and responsiveness.
  • Massive capacity of up to 8TB
  • Twice the speed of standard drives for boot and load applications.
  • Affordability with zero compromises

Amazing Versatility

Versatile and dependable, Seagate's BarraCuda drives are inspired by the past but ready for the future. BarraCuda drives are a cost-effective way to handle all your computing needs - working, playing storing your movies and music, and more.

Multi-Tier Caching Technology

All hard drives in the BarraCuda family come equipped with Multi-Tier Caching Technology (MTC). MTC takes your PC to new performance levels, so you can load applications and files faster than ever before. By applying intelligent layers of NAND Flash, DRAM and media cache technologies, BarraCuda delivers improved read and write performance by optimizing data flow.

Superior Data Security

Seagate Secure models provide Self-Encrypting Drive (SED) hardware-based data security and deliver an Instant Secure Erase feature for safe, fast and easy drive retirement. They meet NIST 800-88 media sanitization specifications and also support the Trusted Computer Group (TCG) Opal standard.


Brand Seagate
Series BarraCuda
Model ST6000DM003
Packaging Bare Drive
Interface SATA 6.0Gb/s
Capacity 6TB
RPM 5400 RPM
Cache 256MB
Usage For Daily Computing
Form Factor 3.5"
Height (maximum) 26.11mm
Width (maximum) 101.85mm
Length (maximum) 146.99mm

Additional Information
Item Condition Brand New
Brand Seagate
MPN ST6000DM003