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External Hard Drives With Power Supply

If you're looking for a way to back up your computer or store all your family photos, movies, and music, an external hard drive is a great solution. They're inexpensive, they don't take up much space, and they make it easy to transfer files between computers. We've tested dozens of external hard drives over the years and found that most are reliable. We've narrowed the field to the best external hard drives with power supplies.

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  1. Seagate - Expansion Desktop 8TB HDD - Black

    SKU: J37C5H4GJG

    Tried using on 4 different computers with same issues purchased recommended replacement power adapter and cable still doesnt work. I will be contacting seagate to see what can be done. ...Just plug and...

    Product Description

    A high-capacity black external USB 3.0 hard drive with easy setup and Rescue Data Recovery Services.
    See all External Hard Drives
    Your price for this item is $249.99

  2. WD - easystore 20TB External USB 3.0 Hard Drive - Black

    SKU: JXTHCC7YZ9

    This does have an external power supply so make sure you have some power available for that. ...Planned power outages or wheather events etc.

    Product Description

    A high-capacity black external hard drive with 20TB storage, USB 3.0 connectivity, and data encryption.
    See all External Hard Drives
    Your price for this item is $559.99

  3. WD - easystore 18TB External USB 3.0 Hard Drive - Black

    SKU: JXTHCJVQC8

    Product Description

    A high-capacity 18TB black external hard drive with USB 3.0 connectivity and built-in data encryption.
    See all External Hard Drives
    Your price for this item is $509.99
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In-store pricing may vary. Prices and offers are subject to change. © 2026 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.