Seagate 6TB BarraCuda HDD, SATA III w/ 256MB Cache

MX77000 6TB BarraCuda HDD, SATA III w/ 256MB Cache
MX77000 6TB BarraCuda HDD, SATA III w/ 256MB Cache

Product Info

6TB BarraCuda 3.5in HDDs: Versatile, Fast & Dependable

This 6TB BarraCuda HDD has rock-solid reliability built on over 20 years of BarraCuda Storage design and innovation. Seagate uses a versatile mix of capacity and price points, so there is a Barracuda Drive to suit your needs.

Get the most out of your storage with BarraCuda® hard drives. From computers full of photos and memories to Gaming PCs that need more room to play, BarraCuda grows with you.


  • 6TB Capacity is perfect for desktop use, all-in-one storage, home servers, etc.
  • 256MB of Multi-Tier Caching Technology™ for excellent hard drive performances
  • Advanced Power modes help save energy without sacrifice
  • Versatile HDDs for all your PC needs bring you industry leading excellence in personal computing
  • For over 20 years the BarraCuda family has delivered super-reliable storage for the hard drive industry
  • SATA 6Gb/s interface optimizes burst performance

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.

Trusted Dependability

The BarraCuda family of reliable hard drives is here to stay, for years to come
For more than 20 years, Seagate has manufactured and delivered the super-reliable BarraCuda family of drives. Seagate's drive-reliability data simply speaks for itself, and the BarraCuda family is often recognized by leading publications and customers.


Make and Model Seagate 6TB BarraCuda HDD
Part Number ST6000DM003
Interface SATA 6Gb/s with NCQ
Capacity 6TB
Form Factor 3.5" Drive
Cache 256MB
Average Data Rate, Read/Write 185MB/s
Bytes per Sector 4,096
Load/Unload Cycles 600,000
Power Consumption Operating Mode, Typical: 5.3W
Idle Average: 3.4W
Standby / Sleep Modes: 0.25W
Temperature Operating: 0 ~ 60 °C
Non-operating: -40 ~ 70 °C
RoHS Compliant Yes
Dimensions 147 x 102 x 20.2mm
Weight 610g