A good backup drive gives your PC files somewhere else to live when a laptop fails, a file is deleted, or your internal storage fills up. The right choice depends less on the label than on how much you need to protect and how often you will run backups.
These 10 drives span 1TB to 6TB, including portable options and a desktop model. Below, you can compare capacity, convenience, and included backup or recovery features without paying for extras you will not use.
Best 10 External Hard Drives for PC Backup Picks for 2026
Portable Security Pick
- Portable 2TB mechanical drive
- Backup software with ransomware defense
- Password protection and hardware encryption
Best For: Password-protected backups on the go
Desktop Capacity Pick
- 6TB desktop storage
- USB 3.0 and drag-and-drop saving
- Includes Rescue Data Recovery Services
Best For: Higher-capacity backups at a desk
High-Capacity Portable Pick
- 5TB portable storage
- Backup software with ransomware defense
- Password protection and hardware encryption
Best For: Larger password-protected backups on the go
Simple Setup Pick
- 4TB portable storage
- Plug-and-play setup with no software required
- Includes an 18-inch USB 3.0 cable
Best For: Straightforward drag-and-drop backups
High-Capacity Pick
- 6TB portable storage
- Backup software included
- Password protection and hardware encryption
Best For: Large, portable PC backups with security features
Plug-and-Play Pick
- 2TB storage
- Small, lightweight design
- Plug-and-play USB connection
Best For: Simple PC backups without bundled software
Basic Backup Pick
- 1TB portable storage
- No software required
- Mac use may require reformatting
Best For: Basic drag-and-drop file backups
Portable 5TB Pick
- 5TB portable capacity
- USB 3.2 Gen 1 connection
- Two-year limited warranty
Best For: Portable PC backup storage
Drag-and-Drop Pick
- 5TB storage capacity
- Plug-and-play USB 3.0
- Windows and Mac support
Best For: Simple manual file backups
Higher-Capacity Pick
- 6TB portable capacity
- USB 3.2 Gen 1 connection
- Two-year limited warranty
Best For: Larger PC backup collections
Portable Security Pick – WD My Passport 2TB
For shoppers comparing external hard drives for PC backup, the WD My Passport 2TB combines a portable design with included backup software, password protection, and hardware encryption.
Best For: Carrying a personal backup drive while keeping files password-protected.
Pros:
- Slim 2.5-inch design is easy to take along.
- Included device-management and backup software offers defense against ransomware.
- Password protection and hardware encryption help secure files.
- Includes a three-year limited warranty.
Cons:
- Its 2TB capacity is smaller than the other drives in this roundup.
- As a mechanical hard drive, it is not an SSD.
Choose this model if portability and built-in security features matter more to you than getting the most storage in one drive.
If you need more room among external hard drives for PC backup, the Seagate Expansion 6TB offers desktop storage with USB 3.0 and straightforward drag-and-drop file saving.
Best For: Keeping a higher-capacity backup drive at a desk.
Pros:
- 6TB capacity provides room for large file collections.
- USB 3.0 supports file transfers.
- Windows and Mac computers recognize the drive for simple setup.
- Includes Rescue Data Recovery Services.
Cons:
- Requires both a power adapter and a USB cable.
- Its desktop form factor is less suited to carrying around than a portable drive.
This is the capacity-focused choice if the drive will stay near your PC and an outlet; the included recovery service is an added consideration.
Among external hard drives for PC backup, the WD My Passport 5TB suits buyers who want substantial portable storage alongside included backup software with defense against ransomware.
Best For: Carrying a larger backup library with password protection.
Pros:
- 5TB capacity offers substantial room in a portable drive.
- Slim, durable design is made for taking files with you.
- Includes device-management software with ransomware defense.
- Password protection, hardware encryption, and a three-year limited warranty are included.
Cons:
- Its portable form factor may be unnecessary if the drive will always stay at a desk.
It is a strong fit when you want more space than a smaller portable drive without giving up the listed backup and security features.
For a straightforward option among external hard drives for PC backup, the Seagate Portable 4TB connects over USB 3.0 and is designed for drag-and-drop saving without setup software.
Best For: Simple, portable file backups without installing software.
Pros:
- 4TB capacity in a portable drive.
- Designed for Windows and Mac computers.
- Automatically recognized when connected, with no software required for setup.
- Includes an 18-inch USB 3.0 cable.
Cons:
- No backup-software or encryption features are listed in the supplied notes.
- The included cable is 18 inches long, which may limit placement.
Pick this drive if you prefer a basic plug-and-play approach and enough space for a sizeable collection of files.
High-Capacity Pick – WD 6TB My Passport
For external hard drives for PC backup, the WD 6TB My Passport offers substantial space in a portable 2.5-inch drive. Its included software supports backup and device management, while password protection and hardware encryption add options for securing files.
Best For: People carrying large backups who also want built-in security features.
Pros:
- 6TB capacity for documents, photos, videos, and more.
- Includes backup software with defense against ransomware.
- Password protection and hardware encryption.
Cons:
- As a mechanical hard drive, it is not an SSD.
- The included cable is USB-A, so computers with only USB-C ports need an adapter.
The combination of capacity, portable design, and security features makes this a strong fit when one drive needs to handle a sizable PC backup.
Plug-and-Play Pick – WD 2TB Elements Portable
If you want external hard drives for PC backup without setting up bundled software, the WD 2TB Elements Portable keeps things simple. It provides 2TB of storage, plug-and-play expandability, and a USB 3.0 cable in the box.
Best For: Straightforward PC file backups on a compact portable drive.
Pros:
- 2TB capacity in a small, lightweight enclosure.
- Plug-and-play setup.
- USB 3.2 Gen 1 connection rated at 5Gbps.
Cons:
- The supplied notes do not list bundled backup software.
- The supplied notes do not list password protection or hardware encryption.
Choose this model when simple extra storage matters more than the backup and security tools included with some other drives.
Basic Backup Pick – Seagate Portable 1TB
The Seagate Portable 1TB is a straightforward option among external hard drives for PC backup when you need space for a smaller collection of files. Connect it with the included USB 3.0 cable, then use drag-and-drop copying without installing software.
Best For: Basic backups and moving files between computers.
Pros:
- Plug-and-play setup with automatic computer recognition.
- Drag-and-drop file copying without required software.
- Designed for Windows and Mac computers.
Cons:
- 1TB capacity may be limiting for larger backup libraries.
- Mac use may require reformatting.
This drive favors uncomplicated file storage over extra backup features; check your capacity needs before choosing the 1TB model.
Portable 5TB Pick – WD Elements 5TB Portable
For external hard drives for pc backup, the WD Elements 5TB offers ample space in a portable 2.5-inch format. It connects over USB 3.2 Gen 1/USB 3.0 and is listed as plug-and-play ready for Windows.
Best For: PC users who want a portable drive for storing large backup collections.
Pros:
- 5TB capacity for files, photos, and other backups.
- Compact 2.5-inch form factor weighs 8.32 ounces.
- Includes a SuperSpeed USB-A cable and a two-year limited warranty.
Cons:
- Mechanical hard drive, not an SSD.
- Mac compatibility is listed, but the plug-and-play claim specifically names Windows.
This is a straightforward choice if portable capacity matters more to you than the speed of an SSD. Check your Mac setup requirements if you plan to move backups between operating systems.
Drag-and-Drop Pick – Seagate Portable 5TB
The Seagate Portable 5TB is a simple option among external hard drives for pc backup: connect it with the included USB 3.0 cable, let your computer recognize it, and drag files onto the drive. Its listed compatibility includes Windows and Mac computers.
Best For: People who want uncomplicated, manual file backups on a portable drive.
Pros:
- 5TB of listed storage capacity.
- Plug-and-play setup with an included 18-inch USB 3.0 cable.
- Works with Windows and Mac computers, according to the product notes.
Cons:
- Drag-and-drop backup requires you to manage which files you copy.
- The included cable is only 18 inches long.
Choose this drive if easy file transfer is the priority. Its manual drag-and-drop approach is convenient for occasional copies, but it does not replace a planned backup routine.
Higher-Capacity Pick – WD Elements 6TB Portable
If your search for external hard drives for pc backup comes down to fitting more data on one portable drive, the WD Elements 6TB is worth considering. It pairs its 6TB capacity with a 2.5-inch form factor and a USB 3.2 Gen 1 connection.
Best For: PC users with larger photo, video, or document collections to back up.
Pros:
- 6TB capacity provides more space than the 5TB drives in this roundup.
- Plug-and-play expandability with USB 3.2 Gen 1 (5Gbps).
- Includes a SuperSpeed USB-A cable and a two-year limited warranty.
Cons:
- Mechanical hard drive rather than an SSD.
- The supplied specifications conflict on speed, so they do not establish a reliable real-world transfer rate.
This is the capacity-first option when a portable format matters. Treat the 5Gbps USB figure as an interface specification, not a promise of backup speed from the mechanical drive.
How We Picked the Best External Hard Drives for PC Backup
We focused on the practical differences among the 10 selected USB hard drives: usable capacity, portable versus desktop design, included software or recovery services, and how easily each fits into a Windows PC backup routine. This is a feature-based comparison, not a claim that we independently tested transfer speeds, durability, or failure rates. Check the current listing for the exact model, included services, and warranty before buying.
Quick Comparison: External Hard Drives for PC Backup
The Seagate Portable 1TB suits a small file collection, while the WD My Passport and WD Elements 2TB models offer a modest step up. At 4TB, the Seagate Portable gives larger photo and document libraries more room. The 5TB portable choices from WD and Seagate make sense when you want substantial capacity without moving to a desktop drive. The 6TB WD My Passport and WD Elements are the largest portable options here; the 6TB Seagate Expansion is the desktop alternative if the drive can stay by your PC.
Across capacities, WD My Passport emphasizes included backup software and password protection, WD Elements favors a simpler plug-and-play approach, and the listed Seagate models include varying Rescue service terms. Those services are not a substitute for a second backup.
Key Buying Factors
Capacity and Growth
Choose a drive with more space than your files occupy today, especially if you plan to keep multiple backup versions or a full system image. A 1TB drive can be enough for documents and a smaller PC; large photo, video, and game collections can quickly justify 4TB to 6TB. Drive manufacturers advertise decimal capacity, so the space Windows displays will be lower than the number on the box.
Power, Portability, and Speed
Portable drives are convenient for laptop users and generally draw power over USB. A desktop drive is better suited to a fixed setup but may require a separate power adapter. Confirm the connector and cable match your PC. USB 3.0 and USB 3.2 Gen 1 are compatible interface labels here, but actual backup speed also depends on the hard drive and the files being copied.
Software and Backup Safety
Windows Backup, File History, or your preferred backup app can schedule copies; bundled software is optional if your existing workflow works well. Password protection can help limit access to a lost drive, but keep recovery credentials safe. For protection against drive failure, theft, or ransomware, follow a 3-2-1 approach: keep three copies of important data, on two types of storage, with one copy off-site or otherwise disconnected. Test that you can restore files.
Who Should Buy Which External Hard Drives for PC Backup?
Pick a 1TB or 2TB portable drive for a lighter backup load or a tighter budget. Choose 4TB or 5TB if your library is growing and you want a carryable drive. Go with a 6TB portable model for maximum capacity in this portable selection, or the 6TB desktop Seagate Expansion for a stationary PC setup. If built-in password protection and backup software matter, consider My Passport; if you prefer a straightforward drive and already have backup software, consider WD Elements. Compare current prices per terabyte before deciding.