Seagate Desktop HDD Technical Specifications

  4TB1 3TB1 2TB1 1TB1 500GB1 320GB1 250GB1
Model Number ST4000DM000 ST3000DM001 ST2000DM001 ST1000DM003 ST500DM002 ST320DM000 ST250DM000
Model Name   Desktop HDD  formerly Barracuda formerly Barracuda formerly Barracuda formerly Barracuda formerly Barracuda formerly Barracuda
Interface Options SATA 6Gb/s NCQ SATA 6Gb/s NCQ SATA 6Gb/s NCQ SATA 6Gb/s NCQ SATA 6Gb/s NCQ SATA 6Gb/s NCQ SATA 6Gb/s NCQ
Performance
SATA Transfer Rates Supported (Gb/s) 6.0/3.0/1.5 6.0/3.0/1.5 6.0/3.0/1.5 6.0/3.0/1.5 6.0/3.0/1.5 6.0/3.0/1.5 6.0/3.0/1.5
Cache, Multisegmented (MB) 64 64 64 16 16 16 16
Spindle Speed(RPM) 5900 7200 7200 7200 7200 7200 7200
Special Features
Seagate OptiCache Technology Yes Yes Yes Yes No No No
Seagate Acutrac Technology Yes Yes Yes Yes No No No
Seagate SmartAlign Technology Yes Yes Yes Yes No2 No2 No2
How Much Will it Store?
  Digital Music (Songs)
Based on 4.096MB song,128kbps bit rate,11:1 audio compression ratio 1,000,000 750,000 500,000 250,000 125,000 80,000 62,000
 Digital Photos (Files)
Average file size using cameras highest resolution JPEG mode 819,200 614,400 409,600 204,800 102,400 65,536 51,200
 HD Video (Hours)
Based on H.264 compression at a 6.75Mbs bitrate 493 370 247 123 62 39 31
1One gigabyte, or GB, equals one billion bytes and one terabyte, or TB, equals one trillion bytes when referring to hard drive capacity. 2Seagate ships this drive in both 4K- and 512-byte sectors. SmartAlign technology is included on 4K sector drives. Both drives are functionally and physically equivalent.

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Features

Get What You Want with Desktop HDD
Count on Seagate to deliver the storage innovations that bring your costs down and crank your storage up.

Industry’s first 1TB-per-disk hard drive technology
OptiCache™ technology exploits big 64MB cache sizes and improves microprocessor capabilities
Seagate OptiCache™ technology improves performance by up to 45% over the previous generation
SATA 6Gb/s technology maximizes performance
Seagate AcuTrac™ technology enables reliable read/write performance even in high-touch operating environments
Free DiscWizard™ software enables capacities beyond 2TB on legacy PC BIOS and Windows XP-based systems

Your No-Hassle Transition Beyond 2TB
Are you worried about moving beyond 2TB? You don't have to. The Seagate DiscWizard™ utility makes this transition a snap:

Free software enables Windows machines to utilize drives beyond 2TB
Seagate DiscWizard provides you a means to effectively utilize your 3TB and 4TB hard drives.

Maximize HDD Storage Densities
Seagate Desktop HDD, 1TB-per-disk technology incorporates 340,000 unique tracks in the width of a single inch. This incredible storage density drives new capacity possibilities and lowers your total storage costs.

Seagate AcuTrac™ technology enables storage densities with accurate reading and writing to nano-sized tracks that are only 75 nanometers wide! That’s about 1/500th the size of the period at the end of this sentence.

Green Where It Counts
Seagate Desktop HDDs with 1TB-per-disk have advanced power modes to save more energy while in idle states—without sacrificing performance.

Desktop HDDs are produced using the most sophisticated manufacturing process in the industry, with a focus on environmental stewardship.

Desktop HDDs comply with the RoHS directive on hazardous materials and voluntarily restrict halogen compounds
70% or more of the materials used to build Desktop HDDs drives are recyclable
Low power consumption

Go beyond 2TB with DiscWizard™ software
The sure way to get native access to hard drives bigger than 2TB is to adopt the new BIOS standard called UEFI. If you’re not ready for the new standard, Seagate provides an alternative.

Free DiscWizard™ software from Seagate provides you a means to effectively utilize your 3TB and 4TB Seagate Desktop HDDs, even with Windows XP and using the standard PC BIOS. Get your free copy to go beyond 2TB today!

Proven quality and performance.
Seagate Desktop HDDs are the world's most popular desktop storage solutions. With consistent quality and performance-enhancing innovations and features like native command queuing and perpendicular recording, Seagate delivers time— and time again.

Additionally, Seagate Desktop HDDs are produced using the most sophisticated manufacturing process in the industry, with a focus on environmental stewardship.

Green where it counts.
Seagate® Desktop HDDs with 1TB-per-disk have advanced power modes to save more energy while in idle states—without sacrificing performance.

Desktop HDDs are produced using the most sophisticated manufacturing process in the industry, with a focus on environmental stewardship.

Desktop HDDs comply with the RoHS directive on hazardous materials and voluntarily restrict halogen compounds
70% or more of the materials used to build Desktop HDDs drives are recyclable
Low power consumption
Overview

The Power of One.
Desktop Hard Drives that Lower Costs
The Seagate® Desktop HDD is the one drive for every need, supported by 30 years of trusted performance, reliability and simplicity.

HDDs that bring your costs down and crank your storage up
No-hassle transition to 3TB and 4TB drives
Seagate AcuTrac™ technology maximizes HDD storage densities
HDDs that bring your costs down and crank your storage up
No-hassle transition to 3TB and 4TB drives
Seagate AcuTrac™ technology maximizes HDD storage densities