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- Best overall: WD My Book 8TB Desktop External Hard Drive
- Best budget: Seagate Portable 2TB External Hard Drive
- Best premium: WD My Book 16TB Desktop External Hard Drive
- Best for travel: Seagate Portable 4TB External Hard Drive
- WD My Book models offer 8TB to 16TB capacities and need an external power adapter.
- Seagate Portable drives are bus-powered, easier to carry and available in capacities from 2TB to 4TB.
- WD My Book 8TB Desktop External Hard Drive is a strong fit for home backup and large desktop libraries.
- Seagate Portable 4TB External Hard Drive balances portable storage and useful capacity.
- Choose by capacity, power setup and portability before comparing Black Friday 2026 listings.
WD My Book desktop drives and Seagate portable drives solve different storage problems, even when both connect over USB. WD My Book options in this guide offer capacities from 8TB to 16TB for large home libraries and backups, while Seagate Portable models prioritize a compact, bus-powered design at 2TB or 4TB.
We researched and compared specs, reviews and owner feedback to identify the right fit for common storage needs. My pick for most people is WD My Book 8TB Desktop External Hard Drive for a fixed home setup, while Seagate Portable 4TB External Hard Drive makes more sense for a laptop bag or travel kit. Compare capacity, power and portability before choosing a Black Friday 2026 listing.
How We Picked
- Compared manufacturer specifications for capacity, USB connection, drive format and power requirements.
- Reviewed owner feedback for setup experience, everyday storage use and portability considerations.
- Included multiple capacities and product lines so readers can compare desktop and portable choices.
- Prioritized clear use cases, including home backup, travel, media storage and general file transfers.
- Avoided treating capacity alone as a reason to buy; power needs and intended location matter too.
Comparison Table
| Product | Best for | Capacity | Connection | Power |
|---|---|---|---|---|
| WD My Book 8TB Desktop External Hard Drive | Home backup | 8TB | USB 3.0 | External adapter |
| WD My Book 12TB Desktop External Hard Drive | Large archives | 12TB | USB 3.0 | External adapter |
| WD My Book 16TB Desktop External Hard Drive | Maximum desktop capacity | 16TB | USB 3.0 | External adapter |
| Seagate Portable 2TB External Hard Drive | Everyday travel storage | 2TB | USB 3.0 | USB-powered |
| Seagate Portable 4TB External Hard Drive | Portable capacity | 4TB | USB 3.0 | USB-powered |
| Seagate Expansion 5TB Portable External Hard Drive | Large portable files | 5TB | USB 3.0 | USB-powered |
| Seagate One Touch 2TB Portable External Hard Drive | Personal files with password protection | 2TB | USB 3.0 | USB-powered |
Best Picks Reviewed
#1 · Top pick
WD My Book 8TB Desktop External Hard Drive
The WD My Book 8TB Desktop External Hard Drive is the best overall choice for home users who need a roomy fixed-location backup drive. The WD My Book 8TB Desktop External Hard Drive's 8TB capacity and USB 3.0 connection suit large photo, video and document libraries.
Best for: Home backup and large media libraries
- Capacity
- 8TB
- Connection
- USB 3.0
- Drive format
- 3.5-inch desktop drive
- Power
- External power adapter
- Large capacity for household files
- Suitable for an always-at-home setup
- Hardware encryption support
- Needs a power outlet
- Less convenient to carry than a portable drive
Is the WD My Book 8TB Desktop External Hard Drive worth buying on Black Friday 2026?
The WD My Book 8TB Desktop External Hard Drive is a strong Black Friday 2026 choice for home users who need 8TB for backups or media. The WD My Book 8TB Desktop External Hard Drive's desktop design and external power adapter suit a desk, not frequent travel.
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#2
WD My Book 12TB Desktop External Hard Drive
The WD My Book 12TB Desktop External Hard Drive is the best high-capacity option for households managing several large file collections. The WD My Book 12TB Desktop External Hard Drive's 12TB capacity gives substantial room for backups, video archives and shared family storage.
Best for: Large household archives
- Capacity
- 12TB
- Connection
- USB 3.0
- Drive format
- 3.5-inch desktop drive
- Power
- External power adapter
- Ample room for extensive archives
- Desktop setup fits a dedicated backup location
- Hardware encryption support
- Requires a power outlet
- More capacity than casual users need
Is the WD My Book 12TB Desktop External Hard Drive worth buying on Black Friday 2026?
The WD My Book 12TB Desktop External Hard Drive is worth considering for users who already manage large backups or expect their archive to grow. The WD My Book 12TB Desktop External Hard Drive's 12TB capacity is useful at home, though the external power adapter limits portability.
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#3
WD My Book 16TB Desktop External Hard Drive
The WD My Book 16TB Desktop External Hard Drive is the best maximum-capacity pick for users who want one large desktop archive. The WD My Book 16TB Desktop External Hard Drive's 16TB capacity handles extensive media collections and multiple backup sets in a fixed location.
Best for: Very large desktop archives
- Capacity
- 16TB
- Connection
- USB 3.0
- Drive format
- 3.5-inch desktop drive
- Power
- External power adapter
- Highest capacity in this guide
- Good fit for extensive media collections
- Hardware encryption support
- Requires a power outlet
- Oversized for basic file storage
Is the WD My Book 16TB Desktop External Hard Drive worth buying on Black Friday 2026?
The WD My Book 16TB Desktop External Hard Drive suits users who need a large, stationary archive for media or backups. The WD My Book 16TB Desktop External Hard Drive's 16TB capacity reduces the need to split files across several drives, while its desktop power setup stays at home.
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#4
Seagate Portable 2TB External Hard Drive
The Seagate Portable 2TB External Hard Drive is the best compact pick for students and laptop owners storing everyday files. The Seagate Portable 2TB External Hard Drive's 2TB capacity and USB connection work well for documents, photos and a modest media collection.
Best for: Everyday files and travel
- Capacity
- 2TB
- Connection
- USB 3.0
- Drive format
- 2.5-inch portable drive
- Power
- USB bus-powered
- Compact for a laptop bag
- No separate power adapter
- Simple choice for everyday storage
- Less capacity than desktop models
- Not intended for large multi-drive archives
Is the Seagate Portable 2TB External Hard Drive worth buying on Black Friday 2026?
The Seagate Portable 2TB External Hard Drive is a sensible fit for everyday laptop storage and travel. The Seagate Portable 2TB External Hard Drive's 2TB capacity and bus-powered design keep the setup simple, while users with large media archives should compare higher-capacity options.
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#5
Seagate Portable 4TB External Hard Drive
The Seagate Portable 4TB External Hard Drive is the best portable capacity choice for laptop owners who want room for a growing file library. The Seagate Portable 4TB External Hard Drive's 4TB capacity combines with USB bus power for storage that travels without a separate adapter.
Best for: Portable storage with extra room
- Capacity
- 4TB
- Connection
- USB 3.0
- Drive format
- 2.5-inch portable drive
- Power
- USB bus-powered
- More space than the 2TB portable option
- USB power avoids a separate adapter
- Convenient for travel and laptop use
- Still offers less capacity than desktop drives
- Small size calls for careful handling
Is the Seagate Portable 4TB External Hard Drive worth buying on Black Friday 2026?
The Seagate Portable 4TB External Hard Drive is a good fit for people who need portable storage for larger photo, video or work folders. The Seagate Portable 4TB External Hard Drive's 4TB capacity and USB-powered design offer a useful balance for travel and everyday laptop use.
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#6
Seagate Expansion 5TB Portable External Hard Drive
The Seagate Expansion 5TB Portable External Hard Drive is the best high-capacity portable option for users who want more room without moving to a desktop drive. The Seagate Expansion 5TB Portable External Hard Drive's 5TB capacity supports broad file collections in a USB-powered form.
Best for: Large portable file collections
- Capacity
- 5TB
- Connection
- USB 3.0
- Drive format
- 2.5-inch portable drive
- Power
- USB bus-powered
- High capacity for a portable drive
- No external power adapter
- Useful for moving large file libraries
- More capacity than basic users require
- Not as compact as smaller-capacity drives
Is the Seagate Expansion 5TB Portable External Hard Drive worth buying on Black Friday 2026?
The Seagate Expansion 5TB Portable External Hard Drive is a strong option for users who need substantial capacity in a portable format. The Seagate Expansion 5TB Portable External Hard Drive's 5TB space suits large working folders and media collections, with USB bus power for flexible placement.
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#7
Seagate One Touch 2TB Portable External Hard Drive
The Seagate One Touch 2TB Portable External Hard Drive is the best feature-focused choice for users who want portable storage with password-protection support. The Seagate One Touch 2TB Portable External Hard Drive's 2TB capacity and compact, USB-powered design work well for personal files on the move.
Best for: Portable personal files
- Capacity
- 2TB
- Connection
- USB 3.0
- Drive format
- 2.5-inch portable drive
- Power
- USB bus-powered
- Portable and bus-powered
- Password-protection support
- Suitable for personal file storage
- 2TB is limited for extensive archives
- Security features require setup
Is the Seagate One Touch 2TB Portable External Hard Drive worth buying on Black Friday 2026?
The Seagate One Touch 2TB Portable External Hard Drive is a useful choice for personal files when portability and password-protection support matter. The Seagate One Touch 2TB Portable External Hard Drive's 2TB capacity fits everyday storage, while larger archives call for a higher-capacity drive.
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Is WD My Book or Seagate Portable better for home backup?
WD My Book 8TB Desktop External Hard Drive and WD My Book 12TB Desktop External Hard Drive are better fits for home backup when large capacity matters more than portability. The desktop format and external adapter suit a drive that stays near a computer or router-side workstation.
Seagate Portable 4TB External Hard Drive is easier to move between computers and does not need a separate power adapter. For a single laptop user with a smaller collection, the portable design is practical; for several years of household photos and video, the larger WD capacities leave more room. Keep a second copy of irreplaceable files on another drive or a separate backup service. Skip it if a portable drive is a must and a power outlet is not always available: a desktop My Book is the wrong form factor.
Which drive is better for travel and laptop use?
Seagate Portable 2TB External Hard Drive and Seagate Portable 4TB External Hard Drive are better travel choices because both use USB bus power and compact 2.5-inch drive formats. A laptop can power the drive through its USB connection, so packing a separate power adapter is unnecessary.
Capacity is the key trade-off between the two Seagate Portable options. The 2TB model fits documents, photos and a moderate media library, while the 4TB version gives a growing collection more headroom. Seagate Expansion 5TB Portable External Hard Drive pushes capacity higher for users who regularly move large folders. WD My Book desktop models are less suited to travel because their larger desktop design depends on external power. Protect any portable drive from drops, moisture and pressure inside a packed bag.
How much capacity should you choose?
WD My Book 8TB Desktop External Hard Drive offers 8TB, Seagate Portable 4TB External Hard Drive offers 4TB, and Seagate Portable 2TB External Hard Drive offers 2TB. Those capacity steps provide a practical starting point: estimate the files to store, then leave room for future additions.
Choose 2TB for everyday documents, phone photos and a smaller laptop collection. Choose 4TB or 5TB for a growing media library, video projects or several device backups. Choose 8TB, 12TB or 16TB from the WD My Book range for large home archives and repeated backup sets. Remember that a drive’s advertised capacity is not identical to the usable space shown by every computer; file systems and formatting affect the displayed figure. Avoid buying capacity without a clear storage plan.
What is the difference between desktop and portable drives?
WD My Book 8TB Desktop External Hard Drive uses a 3.5-inch desktop format and an external power adapter, while Seagate Portable 4TB External Hard Drive uses a 2.5-inch bus-powered format. That difference shapes where each drive fits more than the brand name does.
A desktop drive is designed to stay in one place and offer larger capacities, making it a natural match for scheduled home backups or a media archive. A portable drive trades some maximum capacity for easier transport and a simpler cable setup. USB 3.0 appears across the models in this guide, but connection speed also depends on the computer, cable and files being transferred. For a desk-bound backup, pick desktop capacity; for a backpack, pick a portable model.
Which features matter beyond capacity?
Seagate One Touch 2TB Portable External Hard Drive adds password-protection support, while WD My Book 8TB Desktop External Hard Drive supports hardware encryption. Security features matter when a drive stores private documents, work files or personal photos.
Check that the chosen drive works with the computer’s operating system and connection ports, and review setup instructions before moving important files. Backup software and included security tools can vary by model and region, so confirm the listing details. A hard drive is not a substitute for a second copy: a single drive can fail, be misplaced or be damaged. Pair a main backup with another drive or a separate storage location. Black Friday 2026 is a useful time to compare the exact capacity and included features, not just the product-family name.
Buying Guide
Start with where the drive will live
Choose a WD My Book desktop model for a home desk and a Seagate Portable model for travel or frequent movement. Desktop models need an external power adapter; portable models draw power from USB.
Match capacity to your files
Pick 2TB for everyday files, 4TB or 5TB for larger portable collections, and 8TB to 16TB for substantial desktop archives. Leave extra space for future photos, videos and backups.
Check your computer connections
The listed drives use USB 3.0. Confirm that the computer has a compatible port and that the included cable fits your setup. Transfer performance depends on the computer, cable and workload.
Think about security and backups
Review password-protection and encryption details if a drive stores sensitive files. Keep a second copy of important data in another location; one external drive is not a complete backup plan.
Compare exact Black Friday listings
Check the full product name, stated capacity, included accessories and return terms for each Black Friday 2026 listing. Product families share names across multiple capacities, so verify the specific model before ordering.
FAQ
Is WD My Book better than a Seagate Portable drive?
WD My Book 8TB Desktop External Hard Drive is better for large home backups, while Seagate Portable 4TB External Hard Drive is better for travel. The right choice depends on whether desktop capacity or USB-powered portability matters more for your setup.
Can a Seagate Portable drive power from a laptop?
Seagate Portable 2TB External Hard Drive and Seagate Portable 4TB External Hard Drive use USB bus power, so they draw power through a compatible computer connection. Their portable design avoids the external power adapter required by WD My Book desktop drives.
Does WD My Book need an external power adapter?
WD My Book 8TB Desktop External Hard Drive, WD My Book 12TB Desktop External Hard Drive and WD My Book 16TB Desktop External Hard Drive use an external power adapter. Plan to place a My Book near an outlet rather than treat it as a travel drive.
Which Seagate portable drive has the most capacity in this guide?
Seagate Expansion 5TB Portable External Hard Drive has the most capacity among the portable Seagate models in this guide. Its 5TB capacity is suited to larger portable file collections, while the smaller Seagate Portable models offer 2TB or 4TB.
Is 2TB enough for an external hard drive?
Seagate Portable 2TB External Hard Drive is enough for many documents, photos and moderate everyday file collections. Users storing large video projects, multiple computer backups or extensive media libraries should compare 4TB, 5TB or a WD My Book desktop capacity.
Which external hard drive is best for Black Friday 2026?
WD My Book 8TB Desktop External Hard Drive is a strong all-around choice for home backup, while Seagate Portable 4TB External Hard Drive suits travel and laptop use. Compare the exact capacity, power setup and included features before choosing a Black Friday 2026 listing.