Seagate ST310005N1A1AS-RK Barracuda 1TB SATA 3.5" Internal Hard Drive
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  • 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



    • 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


    • What's in the Box

      • Seagate Desktop HDD
      • Free DiscWizard™ software
      • Interface cable, power adapter, mounting screws, and CD with software and manual1
      • Quick installation guide1



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    Formatted Capacity1 TB
    Form Factor3.5
    Interface OptionsSATA 6Gb/s
    Cache (MB)64
    Height (in/mm)1.028/26.11
    Width (in/mm)4.0/101.6
    Length (in/mm)5.75/146.05
    Weight (lb/g)0.90/408
    Cache (MB)64MB
    Typical Weight408g
    InterfaceSATA 6Gb/s


    1. 1 Available with Desktop HDD Kits only

    General Information

    Founded in 1979, Seagate is the leading provider of hard drives and storage solutions.

    From the videos, music and documents that we share with friends and family on social networks, to servers that form the backbone of enterprise data centres and cloud-based computing, to desktop and notebook computers that fuel our personal productivity, Seagate products help more people to store, share and protect their valuable digital content.

    Seagate offers the industry's broadest portfolio of hard disc drives, solid state drives and solid state hybrid drives. In addition, the Company offers an extensive line of retail storage products for consumers and small businesses, along with data recovery services for any brand of hard drive and digital media type.

    Technical Information
    Storage Capacity:1 TB

    Drive Performance
    Maximum External Data Transfer Rate:300 MB/s (2.3 Gbit/s)
    Spindle Speed (rpm):7200
    Buffer:32 MB

    Drive Interface:SATA
    Drive Interface Standard:SATA/300
    SATA Pin:7-pin

    Physical Characteristics
    Drive Type:Internal
    Hot Swappable:Yes

    Product images may differ from actual product appearance.
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    Shipping Restrictions
    • This item cannot be shipped to PO Boxes.
    • This item can be shipped only within the U.S.

    • UPC: 763649005828 
    • Mfr's Part #: ST310005N1A1AS-RK