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Barracuda FAQs

See our most frequently asked questions about Barracuda internal hard drives.

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Top Articles

Where can I find drivers for my SATA drive?

Find out where to find drivers for SATA drives.

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How do I Low-Level Format a SATA or ATA (IDE) Hard Drive?

Find out how to format your hard drive.

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The BIOS does not detect or recognise the ATA/SATA hard drive

There are six main reasons why a system BIOS will not detect the presence of an internal hard drive.

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Firmware Updates

Seagate products are run by firmware. Having the latest firmware can improve the performance and/or reliability of your product.

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  • How To's





    • DiscWizard

      Seagate DiscWizard works with Maxtor and Seagate disc drives. The software lets you install your new disc drive quickly, with wizards that guide you through the processes of creating and formatting partitions on your disc drive, transferring and backing up your data. Learn more

    • SeaTools for DOS

      The quick diagnostic tool that checks the health of your drive. Learn more

    • SeaTools for Windows

      The quick diagnostic tool that checks the health of your drive. Learn more


    Capacity 3TB 2TB
    Show me:
    Form Factor 3.5" 3.5"
    Interface Options SATA 6Gb/s SATA 6Gb/s
    Spindle Speed (RPM) 7200 7200
    Cache (MB) 64 64
    Transfer Rate, Max Ext (MB/s) 600 600
    Sustained Data Rate OD 149Mb/s 138Mb/s
    Average Latency (ms) 4.16 4.16
    Power Management    
    Idling, Typical Operating (W) 6.39 6.39
    Operating 5° to 60°C 5° to 60°C
    Non-operating -40° to 70°C -40° to 70°C
    Operating: Gs (ms) 63 (2ms) 63 (2ms)
    Non-operating: Gs (ms) 300 (2ms) 300 (2ms)
    Acoustics (bels - sound power)    
    Idling 2.8 2.8
    Operating 3.2 3.2
    Height (in/mm) (maximum) 1.028/26.1 1.028/26.1
    Width (in/mm) (maximum) 4.010/101.85 4.010/101.85
    Length (in/mm) (maximum) 5.787/146.99 5.787/146.99
    Weight (lbs/g) 1.543/700 1.543/700
    Model Number Package Capacity Interface Spindle Speed (RPM) Cache (MB) Areal Density Length Width Height Typical Weight AFR Operating Temperature Average Operating Power
    ST33000651AS Drive Only 3TB SATA 6Gb/s 7200RPM 64MB 488       700g 0.34% 60°C 9.23W
    ST32000641AS Drive Only 2TB SATA 6Gb/s 7200RPM 64MB 347       700g 0.34% 60°C 9.23W