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Review: Seagate 3TB Expansion USB3.0 Portable External Hard Drive

, By Patcoola

The Seagate 3TB portable expansion drive packs a large amount of storage in a little box. The Seagate expansion is larger than the other ultra portable drives on the market and is the size of the Western Digital SE or My Passport portable drives. The Seagate is fine drive, however, I’d recommend the Western Digital My Passport portable instead.

The Western Digital (WD) has a small activity light on the back by the USB port where the Seagate has a wider light on the top. The WD has a flat surface so you can stack where the Seagate has a smooth spiked surface. The WD has rubber feet on the bottom so it won’t move, the Seagate is completely smooth making it too easy to slip.

The two drives are pretty much the same in terms of specs and performance but in my option the WD is a little bit better overall. The WD is also cheaper than the Seagate, but prices changes all the time (high today, low tomorrow).


Seagate 3TB Expansion USB3.0 Portable External Hard Drive

Brand Name: Seagate
Manufacturer: Seagate Technology
Manufacturer Part Number: STEA3000400
Manufacturer Website Address:
Product Line: Expansion
Product Type: Hard Drive

Host Interface: USB 3.0
Storage Capacity: 3 TB
Limited Warranty: 1 Year
Weight (Approximate): 6 oz
Color: Black
Drive Type: External
Form Factor: Portable
Height: 0.6″
Width: 3.1″
Depth: 4.6″
Drive Width: 2.5″
Material: Plastic
Cable: 1.5 foot
Product ID: 1031161734

Price $170.00 CDN (

When Connected
Label: Seagate Expansion Drive
Usable Space: 2.72 TB
Format: NTFS
Software: Yes

Included Software:
Start Here for Windows and Apple, for product registration.


Read Test

Write Test

Random Access Read Test

*Test Done with HD Tune Pro 5.50


The low temperature we 26C and the high temperature was a shocking 49C. The plastic enclosure does not dissipate the heat well and stayed hot for a long time.


The drive is fine but can run hot. Small amount of included software pre loaded on the drive. The drive has no bottom rubber feet and is completely smooth. The top is not flat, so you can’t stack well. The price is higher than Western Digital which has rubber feet and a flat top. I recommend the Western Digital instead.




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Comments: 1, Write Comment

  1. 10silove says:

    Great review.
    I will use it for my best external drives list, writing down your url as reference.


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