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Product Support

Expansion Portable Hard Drive

Expansion Portable Hard Drive
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Getting Started

Quick Start

Documentation

Knowledge Base

Downloads

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Drive Icon

Missing your drive icon? Download it here for Windows and MacOS.
Click LEARN MORE for additional information about drive icons.

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SeaTools

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

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DiscWizard

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

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Firmware Downloads

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

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Search for Firmware

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Specs

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

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