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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 how to find drivers for SATA drives.

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The BIOS does not detect or recognize 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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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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Firmware Updates

Seagate products are run by firmware. Having the latest firmware can improve 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 quickly install your new disc drive with wizards that guide you through the processes of creating and formatting partitions on your disc drive, transfering data, 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 2TB 1.5TB 1TB
Show me :
Form Factor 3.5" 3.5" 3.5"
Interface Options SATA 6Gb/s, SATA 3Gb/s SATA 3Gb/s, SATA 6Gb/s SATA 3Gb/s
Spindle Speed (RPM) 5900 5900 5900
Cache (MB) 64, 32 32, 64 32
Transfer Rate, Max Ext (MB/s) 600, 300 300, 600 300
Sustained Data Rate OD 144Mb/s, 95Mb/s 95Mb/s, 144Mb/s 95Mb/s
Average Latency (ms) 4.16, 5.1 5.1, 4.16 5.1
Power Management      
Idle, Typical Operating (W) 4.5, 4.85 4.85, 4.5 3.40
Operating 0° to 60°C 0° to 60°C 0° to 60°C
Non-operating -40° to 70°C -40° to 70°C -40° to 70°C
Operating: Gs (ms) 70 (2ms) 70 (2ms), 80 (2ms) 70 (2ms)
Non-operating: Gs (ms) 300 (2ms) 300 (2ms) 350 (2ms)
Acoustics (bels - sound power)      
Idle 2.1, 2.5 2.5, 2.1 1.9
Operating 2.3, 2.6 2.6, 2.3 2.0
Height (in/mm) (maximum) 1.028/26.1 1.028/26.1 1.028/26.1
Width (in/mm) (maximum) 4.0/101.6, 4.010/101.85 4.010/101.85, 4.0/101.6 4.010/101.85
Length (in/mm) (maximum) 5.78/147.00, 5.787/146.99 5.787/146.99, 5.78/147.00 5.787/146.99
Weight (lb/g) 1.39/635, 1.444/655 1.444/655, 1.39/635 1.371/622
Model Number Package Capacity Interface Spindle Speed (RPM) Areal Density Length Width Height Typical Weight AFR Operating Temperature Average Operating Power
ST2000DL003 Drive Only 2TB SATA 6Gb/s 5900RPM 422       635g 0.34% 60°C 5.8W
ST32000542AS Drive Only 2TB SATA 3Gb/s 5900RPM 341.5       655g   60°C 6.90W
ST31500541AS Drive Only 1.5TB SATA 3Gb/s 5900RPM 341.5       655g   60°C 6.90W
ST1500DL003 Drive Only 1.5TB SATA 6Gb/s 5900RPM 422       635g 0.34% 60°C 5.8W
ST31000520AS Drive Only 1TB SATA 3Gb/s 5900RPM 341.5       622g   60°C 5.70W