The Seagate 8TB Expansion Desktop Drive is a pretty popular choice for people looking for a lot of storage space without breaking the bank. The manufacturer lists it as having 8TB of storage, but keep in mind that the actual usable space might seem a little less due to the way storage is calculated—computers use a different system from what manufacturers typically advertise.
According to our research, a few folks have noticed that the drive can sometimes fall short of the full 8TB. This isn't super common, but it's good to be aware it might happen. On the upside, Seagate has customer support that's pretty quick to help with exchanges or returns if you hit this snag.
One thing to keep in mind: this drive needs to be plugged into an external power source, which is normal for desktop drives with as much capacity as this one. Some might see it as a bit of a hassle, but it comes with the territory for most large-capacity drives.
Overall, it's a decent option, especially if you switch between Windows and Mac since it's formatted to work with both right out of the box.
Just remember to account for the way storage is calculated when you're setting it up.
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How we researched this
Where this comes from: this answer draws on the product's published specifications and the reviews ShopSavvy collected for it, alongside prices from 16 retailers in ShopSavvy's price data, most recently seen May 21, 2025.
Where to Buy
| Retailer | Price | Last seen | Buy |
|---|---|---|---|
| $146.12 | May 21, 2025 may have changed | ||
| $146.12 | May 21, 2025 may have changed | ||
| $149.99 | Oct 22, 2024 may have changed | ||
| $149.99 | Oct 22, 2024 may have changed | ||
| $149.99 | Oct 22, 2024 may have changed |
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More Answers
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