Product Support

Expansion Portable Hard Drive

Expansion Portable Hard Drive

Downloads

Drive Icon

Missing your drive icon? Download it here for Windows and MacOS.
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SeaTools

SeaTools - Quick diagnostic tool that checks the health of your drive.

DiscWizard

Secure your information by backing up the operating system, applications, settings, and all your data—as well as erasing it securely.

Firmware Downloads

Enter your serial number to find firmware downloads for your drive.

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Specs

  • Expansion portable hard drive 5TB
    STKM5000400
    • 5TB
    • 20.9mm
    • 80.0mm
    • 115.3mm
  • Expansion portable hard drive 5TB
    STEA5000402
    • 5TB
    • 20.0mm
    • 80.0mm
    • 117.0mm
  • Expansion portable hard drive 4TB
    STKM4000400
    • 4TB
    • 20.9mm
    • 80.0mm
    • 115.3mm
  • Expansion portable hard drive 4TB
    STEA4000400
    • 4TB
    • 20.0mm
    • 80.0mm
    • 117.0mm
  • Expansion portable hard drive 3TB
    STEA3000400
    • 3TB
    • 20.9mm
    • 80.0mm
    • 117.0mm
  • Expansion portable hard drive 2TB
    STKM2000400
    • 2TB
    • 12.6mm
    • 80.0mm
    • 115.3mm
  • Expansion portable hard drive 2TB
    STEA2000400
    • 2TB
    • 14.8mm
    • 80.0mm
    • 117.0mm
  • Expansion Portable 2TB Hard Drive
    STBX2000401
    • 2TB
    • 15.5mm
    • 81.1mm
    • 122.3mm
  • Seagate® Expansion™ Portable 1.5TB Hard Drive
    STAX1500100
    1-year limited warranty
    • 1.5TB
    • 80.01mm
  • Seagate® Expansion™ Portable 1.5TB Hard Drive
    STAX1500102
    1-year limited warranty
    • 1.5TB
    • 80.01mm
  • Expansion portable hard drive 1TB
    STKM1000400
    • 1TB
    • 12.6mm
    • 80.0mm
    • 115.3mm
  • Expansion Portable 1TB USB 3.0 Hard Drive
    STBX1000100
    1-year limited warranty
    • 1TB
    • 15.5mm
    • 81.1mm
    • 122.3mm
  • Seagate® Expansion™ Portable 1TB Hard Drive
    STAX1000102
    1-year limited warranty
    • 1TB
    • 80.01mm
  • Expansion Portable 1TB
    STEA1000409
    • 1TB
    • 14.8mm
    • 80.0mm
    • 117.0mm
  • Expansion portable hard drive 1TB
    STEA1000400
    • 1TB
    • 14.8mm
    • 80.0mm
    • 117.0mm
  • Seagate® Expansion™ Portable 1TB Hard Drive
    ST910004EXA101-RK
    1-year limited warranty
    • 1TB
    • 80.01mm
  • Seagate® Expansion™ Portable 750GB Hard Drive
    STAX750102
    1-year limited warranty
    • 750GB
    • 80.01mm
  • Seagate® Expansion™ Portable 750B Hard Drive
    ST907504EXA101-RK
    1-year limited warranty
    • 750GB
    • 80.01mm
  • Seagate® Expansion™ Portable 640GB Hard Drive
    ST906404EXA101-RK
    1-year limited warranty
    • 640GB
    • 80.01mm
  • Seagate® Expansion™ Portable 500GB Hard Drive
    STAX500102
    1-year limited warranty
    • 500GB
    • 80.01mm
  • Seagate® Expansion™ Portable 500GB Hard Drive
    ST905004EXA101-RK
    1-year limited warranty
    • 500GB
    • 80.01mm
  • Expansion Portable 500GB USB 3.0 Hard Drive
    STBX500100
    1-year limited warranty
    • 500GB
    • 15.5mm
    • 81.1mm
    • 122.3mm
  • Expansion Portable 500GB
    STEA500400
    1-year limited warranty
    • 500GB
    • 14.8mm
    • 80.0mm
    • 117.0mm
  • Seagate® External™ Portable 320-GB Hard Drive
    ST903204EXA101-RK
    1-year limited warranty
    • 320GB
    • 80.01mm
  • Seagate® External™ Portable 250-GB Drive
    ST902504EXA101-RK
    1-year limited warranty
    • 250GB
    • 80.01mm