Looking Beyond the WD 4TB My Passport Ultra? 6 Alternatives Worth a Look

How each alternative compares

WD 4TB My Passport Portable Hard Drive

The WD My Passport Portable offers 4TB of storage with USB-C connectivity, similar to the original. It differs by supporting both Mac and PC natively, whereas the original is formatted for Windows. This drive is lighter at 1.62 ounces and slightly narrower, making it more pocketable. You get 256-bit AES hardware encryption for security, just like the original. However, it lacks the refined metal cover design of the Ultra model. If you need cross-platform compatibility without reformatting, this is the practical choice. It sacrifices the original’s specific Windows-optimized backup software for broader device support.

Seagate Backup Plus Portable 4TB External Drive

The Seagate Backup Plus Portable provides 4TB of storage but uses a USB 3.0 interface instead of USB-C. It is compatible with both PC and Mac, offering broader OS support than the original. The drive is slightly larger and heavier, measuring 4.51 inches long and weighing 8.64 ounces. It includes backup software and cloud storage trials, which the original does not emphasize in its core features. You give up the modern USB-C connector and the sleek metal finish. This option suits users who prioritize included software benefits and cross-platform readiness over the original’s specific hardware encryption and compact USB-C design.

Western Digital 4TB WD Blue 3.5-Inch HDD

The WD Blue 4TB is an internal 3.5-inch hard drive, fundamentally different from the portable original. It connects via SATA, not USB, requiring an internal desktop case. It weighs 1.5 pounds and rotates at 5400 RPM with 64MB cache. You cannot carry it externally. This drive is for stationary desktop use, not portable backup. It lacks any external casing or USB connectivity. Choose this if you need bulk internal storage for a PC. It offers no portability, encryption, or USB-C features. It is a standard internal component, contrasting sharply with the original’s design for mobile, encrypted data storage on the go.

Silicon Power 4TB Armor A60 Rugged External Drive

The Silicon Power Armor A60 is a rugged 2.5-inch drive with USB 3.0 connectivity. It supports both PC and Mac. It is larger and heavier than the original, weighing 9.88 ounces and measuring 5.5 inches long. It prioritizes physical durability with shock and water resistance. You give up the original’s USB-C port and ultra-slim profile. The drive is bulkier but built for rough conditions. It suits users who need 4TB storage that can withstand drops or moisture. It lacks the original’s specific metal aesthetic and hardware encryption focus. Pick this if physical protection matters more than compact size and modern connectivity.

Western Digital 4TB My Passport External Hard Drive

The WD My Passport 4TB is a compact portable drive formatted for PC. It offers 4TB of storage with hardware encryption, similar to the original. It is white and weighs 7.36 ounces. It is slightly shorter but similar in width. It lacks USB-C connectivity, relying on standard USB connections. It is designed for secure portable storage on Windows systems. You get data protection but lose the original’s USB-C speed and cross-platform flexibility. It is a solid alternative for PC users who want encryption. However, it does not match the original’s specific interface or design refinements. Choose this for basic secure PC backup without needing USB-C.

Seagate One Touch Hub 4TB Desktop Drive with USB-C

The Seagate One Touch Hub is a desktop drive with USB 3.0 and USB-C ports. It offers 4TB of storage for PC and Mac. It is much larger, weighing 2.73 pounds and measuring 7.81 inches long. It includes a USB hub for charging devices, which the original lacks. It is stationary, not portable. You give up all portability for added connectivity and desk convenience. It suits users who want a central hub for their desktop setup. It does not offer the original’s compact design or mobile encryption features. Pick this if you need a stationary drive with extra USB ports, rather than a portable backup solution.

Quick picks

Our 7 picks

1 Best overall

WD 4TB My Passport Ultra Portable HDD

Best for: Windows users needing encrypted USB-C backup storage

Storage Capacity

4TB

Hardware Interface

USB-C, USB 3.1

Compatibility

PC

Dimensions

4.33 × 3.21 × 0.83 inches

Weight

8.16 ounces

View on Amazon: WD 4TB My Passport Ultra Portable HDD Affiliate link

You get 4TB of portable storage with USB-C and USB 3.1 connectivity in a metal enclosure. It includes 256-bit AES hardware encryption alongside automated backup software. The unit comes formatted for Windows systems out of the box and weighs 8.16 ounces. This drive fits users needing secure, encrypted file transfers and plug-and-play desktop backups for Windows PCs.

Pros

• Hardware 256-bit AES encryption with password protection
• Native USB-C interface with USB 3.1 support
• Includes 3-year limited warranty
• Refined metal casing

Cons

• Pre-formatted for Windows out of the box
• Thicker 0.83-inch profile compared to lower-capacity variants

Good fit if

• You need hardware-level 256-bit AES encryption for portable data security.
• You want native USB-C connectivity with a 3-year warranty.

Skip if

• You need immediate out-of-the-box compatibility with macOS without reformatting.
• You require a drive thinner than 0.83 inches.

Verdict: WD 4TB My Passport Ultra External Hard Drive delivers 4TB of hardware-encrypted storage for Windows users who transfer files over USB-C.

2 Also great

WD 4TB My Passport Portable Hard Drive

Best for: Secure portable storage for Mac and PC

Storage Capacity

4TB

Hardware Interface

USB-C, USB-A

Compatibility

PC, Mac

Dimensions

4.22 × 2.95 × 0.75 inches

Weight

1.62 ounces

View on Amazon: WD 4TB My Passport Portable Hard Drive Affiliate link

The WD 4TB My Passport Portable is a compact external drive with 4TB of storage. It connects via USB-C and USB-A, making it compatible with PCs, Macs, and Chromebooks. The drive weighs just 1.62 ounces and measures 4.22 by 2.95 by 0.75 inches. It includes 256-bit AES hardware encryption and password protection for your data. You get a 3-year limited warranty for peace of mind.

Pros

• 4TB storage capacity
• USB-C and USB-A connectivity
• 256-bit AES hardware encryption
• Lightweight 1.62 oz design
• 3-year limited warranty

Cons

• 5400 RPM speed is slower than faster options
• No included carrying case
• Limited to 4TB capacity

Good fit if

• You need a reliable drive for Windows or Mac
• You want hardware encryption for security
• You prefer a lightweight portable drive

Skip if

• You require faster 7200 RPM performance
• You need more than 4TB of space
• You want a drive with a carrying case included

Verdict: WD 4TB My Passport Portable is a secure, lightweight option for users who value data protection and broad device compatibility over raw speed or extra accessories.

3 Also great

Seagate Backup Plus Portable 4TB External Drive

Best for: users needing 4TB USB 3.0 storage

Storage Capacity

4TB

Hardware Interface

USB 3.0

Compatibility

PC, Mac

Dimensions

4.51 × 3.07 × 0.81 inches

Weight

8.64 ounces

View on Amazon: Seagate Backup Plus Portable 4TB External Drive Affiliate link

The Seagate Backup Plus Portable 4TB is a black external hard drive designed for easy storage on the go. It features a 4TB capacity and uses a USB 3.0 interface for compatibility with both PC and Mac systems. The drive includes a minimalist metal enclosure and weighs 8.64 ounces. It also comes with a two-year limited warranty and a complimentary two-month Adobe Creative Cloud Photography Plan membership.

Pros

• 4TB storage capacity
• USB 3.0 hardware interface
• Compatible with PC and Mac
• Includes two-year limited warranty
• Comes with 2-month Adobe Creative Cloud Photography Plan

Cons

• Only includes USB 3.0 cable, lacking USB-C native support
• Requires reformatting for Time Machine compatibility on Mac
• Heavier than some ultra-slim portable alternatives

Good fit if

• You need reliable 4TB storage for PC or Mac
• You want a drive with included software perks
• You prefer a metal enclosure design

Skip if

• You require native USB-C connectivity
• You need plug-and-play Time Machine support without reformatting
• You prioritize the lightest possible portable drive

Verdict: Seagate Backup Plus Portable 4TB offers solid capacity and warranty coverage for users who do not need USB-C connectivity. It is a practical option for those who value included software benefits over ultra-slim portability.

4 Also great

Western Digital 4TB WD Blue 3.5-Inch HDD

Best for: Desktop PC internal storage

Storage Capacity

4TB

Form Factor

3.5"

Hardware Interface

SATA 6 Gb/s

Rotational Speed

5400 RPM

Cache Size

64 MB

Compatibility

PC

View on Amazon: Western Digital 4TB WD Blue 3.5-Inch HDD Affiliate link

This is a 3.5-inch internal hard drive with a SATA 6 Gb/s interface. It offers 4TB of storage and runs at 5400 RPM. The unit includes 64 MB of cache. It is designed for reliable everyday computing in desktop PCs. You need an external enclosure to use it as a portable drive. It suits users building or upgrading a standard desktop computer.

Pros

• 4TB storage capacity
• SATA 6 Gb/s interface
• 64 MB cache
• 3.5-inch form factor

Cons

• Requires a separate enclosure for portable use
• 5400 RPM rotational speed is slower than 7200 RPM drives
• Not designed for mobile or external portability

Good fit if

• You are building a desktop PC
• You need high-capacity internal storage
• You want a reliable everyday drive

Skip if

• You need a portable external drive
• You require a 2.5-inch form factor
• You want a high-speed 7200 RPM drive

Verdict: WD Blue 4TB Internal HDD is a standard internal drive for desktops. It fits users who need reliable bulk storage inside a case, not those carrying data externally.

5 Best premium

Silicon Power 4TB Armor A60 Rugged External Drive

Best for: rugged portable storage

Storage Capacity

4TB

Form Factor

2.5"

Hardware Interface

USB 3.0, USB 2.0

Compatibility

PC, Mac

Dimensions

5.5 × 3.4 × 0.9 inches

Weight

9.88 ounces

View on Amazon: Silicon Power 4TB Armor A60 Rugged External Drive Affiliate link

The Silicon Power Armor A60 is a 4TB portable hard drive built for durability. It features a military-grade shockproof design and IPX4 water resistance. The rugged rubber casing provides anti-slip and anti-scratch protection. It connects via USB 3.0, ensuring SuperSpeed data transfer. The drive works with both PCs and Macs. Its compact 2.5-inch form factor makes it easy to carry.

Pros

• Military-grade shockproof construction
• IPX4 water-resistant rating
• USB 3.0 interface
• Rugged rubber anti-slip casing
• Compatible with PC and Mac

Cons

• Heavier than standard portable drives
• No USB-C connectivity listed
• No hardware encryption mentioned

Good fit if

• You need a drive for outdoor use
• You transport the drive frequently
• You need extra physical protection

Skip if

• You require the lightest possible drive
• You need USB-C connectivity
• You prioritize compact size over ruggedness

Verdict: Silicon Power Armor A60 4TB Portable Drive suits users who prioritize physical durability over minimal weight. It is a solid choice for those who need shock and water resistance in a 4TB package.

6 Best budget

Western Digital 4TB My Passport External Hard Drive

Best for: PC users needing secure portable storage

Storage Capacity

4TB

Hardware Interface

SuperSpeed USB 3.0, USB 2.0

Compatibility

PC

Dimensions

1.22 × 2.95 × 0.75 inches

Weight

7.36 ounces

View on Amazon: Western Digital 4TB My Passport External Hard Drive Affiliate link

This Western Digital drive offers 4TB of storage in a slim, white portable form factor. It connects via SuperSpeed USB 3.0 and supports USB 2.0. The unit includes 256-bit AES hardware encryption and auto backup software for device management. Weighing 7.36 ounces, it fits easily in your bag. It is a solid option for users who need password-protected backup on a PC.

Pros

• 256-bit AES hardware encryption
• SuperSpeed USB 3.0 port
• Auto backup software included
• Slim 0.75-inch profile

Cons

• Only includes 3-year limited warranty
• Lacks USB-C connectivity
• PC compatibility only

Good fit if

• You need password-protected backup
• You prefer a slim portable drive
• You use a PC

Skip if

• You need USB-C connectivity
• You require Mac compatibility
• You want a longer warranty

Verdict: WD My Passport 4TB Portable Drive provides secure, compact storage for PC users who value encryption. It suits those prioritizing data protection over cross-platform flexibility.

7 Best desktop

Seagate One Touch Hub 4TB Desktop Drive with USB-C

Best for: Desktop setups needing USB hub connectivity

Storage Capacity

4TB

Hardware Interface

USB-C, USB 3.0

Form Factor

Desktop

Compatibility

PC, Mac

Dimensions

7.81 × 5.11 × 1.78 inches

Weight

2.73 pounds

View on Amazon: Seagate One Touch Hub 4TB Desktop Drive with USB-C Affiliate link

This is a desktop external hard drive with 4TB of storage. It features both USB-C and USB 3.0 ports for connectivity. A front-facing USB hub lets you charge devices even when the computer is off. It works with Windows and Mac out of the box. The included software handles backups. This unit is best for users who need a stationary drive with extra connectivity options.

Pros

• 4TB storage capacity
• Front-facing USB-C and USB 3.0 hub
• Compatible with Windows and Mac
• Includes backup software

Cons

• Desktop form factor requires dedicated space
• Heavier at 2.73 pounds
• Larger dimensions than portable options

Good fit if

• You need a stationary drive for a desk
• You want to charge devices via the hub
• You prefer USB-C connectivity

Skip if

• You need a portable drive for travel
• You want a compact footprint
• You require a drive under 2 pounds

Verdict: Seagate One Touch Hub 4TB Desktop offers a convenient hub for charging devices alongside 4TB of storage. It fits users who want a stationary drive with extra connectivity on their desk.

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