Home » External Drives & Enclosures

We're sorry, but this item is no longer for sale. However, there may be more External Drives & Enclosures items available.


4.0TB Portable Hard Drive

Mac / PC / USB 3.0
Simple and Instant Storage
The easy-to-use storage solution
The Seagate Expansion Portable hard drive offers an easy-to-use solution when you need to instantly add storage to your computer and take files on the go.

The Expansion portable hard drive installs easily by plugging in a single USB cord. You can start saving your digital files to this external hard drive within seconds of removing it from the box.
Instantly adds storage capacity
Digital photos, video and music files can tax your computer's storage, causing performance to decline as its internal hard drive fills to capacity. The Expansion portable hard drive comes in a range of capacities, with the 4TB model offering enough data storage for:

  • Up to 4,000 hours of digital video
  • Up to 1000 2-hour DVD movies
  • Up to 1,280,000 digital photos
  • Up to 77,320 hours of digital music
  • Product Specifications:

    Seagate Part Number

    • STEA4000400


    • USB 3.0

    System Requirements

    • Mac OS X
    • Windows 7 or later


    • 4.0TB


    • Height: 24 mm (0.9 in)
    • Width: 80 mm (3.2 in)
    • Length: 117 mm (4.6 in)


    • 238 g (0.5 lbs)
    Manufacturer provided specifications for Seagate p/n STEA4000400 UPC#: 763649071922



    Included Items
    • Seagate Expansion drive
    • 18-inch (45.72cm) USB 3.0 cable
    • Quick start guide
    Seagate Expansion 4.0TB Portable Hard Drive Mfr P/N: STEA4000400 OWC SKU: SEASTEA4000400 Instantly add more storage space to your computer and take large les with you when you travel Seagate 1 Year Limited Warranty
    Sold Out