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Desktop drives offer the most capacity per dollar.

This guide is built from Amazon product listings and maker specs, not our own testing, so confirm compatibility, capacity and current price on each product page.

Prices are approximate and were shown on Amazon.com on November 1, 2026; check the current price.

Last updated: November 1, 2026.

Quick Picks

Product Type Best for
Seagate Expansion Desktop 8TB Desktop HDD, USB 3.0 desktop bulk storage
Seagate One Touch 8TB Desktop External Hard Drive Desktop HDD, USB-C compatible desktop bulk storage
UnionSine Desktop External Hard Drive 12TB Desktop HDD, USB 3.0 desktop bulk storage
WD My Book 12TB Desktop External Hard Drive Desktop HDD with password protection desktop bulk storage
WD Elements Desktop 12TB External Hard Drive Desktop HDD, USB 3.0 desktop bulk storage
Seagate Expansion 28TB External Hard Drive Desktop HDD, USB 3.0 desktop bulk storage

Our Picks

1. Seagate Expansion Desktop 8TB

A Seagate Expansion Desktop 8TB (desktop hdd, usb 3.0), per the listing. It showed at about $316 on Amazon.com on November 1, 2026.

Good for: desktop bulk storage. Watch out: Needs wall power.

Check on Amazon

2. Seagate One Touch 8TB Desktop External Hard Drive

A Seagate One Touch 8TB Desktop External Hard Drive (desktop hdd, usb-c compatible), per the listing. It showed at about $290 on Amazon.com on November 1, 2026.

Good for: desktop bulk storage. Watch out: Needs wall power.

Check on Amazon

3. UnionSine Desktop External Hard Drive 12TB

An UnionSine Desktop External Hard Drive 12TB (desktop hdd, usb 3.0), per the listing. It showed at about $389 on Amazon.com on November 1, 2026.

Good for: desktop bulk storage. Watch out: Lesser-known brand.

Check on Amazon

4. WD My Book 12TB Desktop External Hard Drive

A WD My Book 12TB Desktop External Hard Drive (desktop hdd with password protection), per the listing. It showed at about $525 on Amazon.com on November 1, 2026.

Good for: desktop bulk storage. Watch out: High price.

Check on Amazon

5. WD Elements Desktop 12TB External Hard Drive

A WD Elements Desktop 12TB External Hard Drive (desktop hdd, usb 3.0), per the listing. It showed at about $550 on Amazon.com on November 1, 2026.

Good for: desktop bulk storage. Watch out: High price.

Check on Amazon

6. Seagate Expansion 28TB External Hard Drive

A Seagate Expansion 28TB External Hard Drive (desktop hdd, usb 3.0), per the listing. It showed at about $1199 on Amazon.com on November 1, 2026.

Good for: desktop bulk storage. Watch out: Very high price.

Check on Amazon

How to Choose

HDD vs SSD

Hard drives cost less per terabyte; SSDs are faster and tougher.

Capacity

Pick 2TB to 5TB for backups and media.

Format

Windows drives may need reformatting for Mac. Back up before reformatting.

Frequently Asked Questions

How long do hard drives last?

Often several years; replace and back up regularly.

Do I need external power?

Portable drives use USB power; desktop drives need an adapter.

Is one backup enough?

No. Keep another copy.

Bottom Line

For bulk storage, Seagate or WD desktop drives; add a second backup.

More Storage Guides