8 Best Encrypted Backup Drives to Secure Your Data in 2026

Encrypted backup drives pair storage capacity with tools that help protect files if a drive is lost or stolen. My best overall pick is the Apricorn Aegis Padlock 2TB, which combines hardware encryption and keypad access with room for substantial backups. For larger archives, the Apricorn Aegis Padlock Fortress 1TB adds validated security features, while the Aegis Secure Key 3 NX 32GB suits smaller, portable file sets. The main tradeoff is between capacity and portability: hard drives hold more, while USB keys are easier to carry but store far less. Read on for how the eight options compare and which one best fits your backup routine.

Before you orderOffer from Amazon

Get privacy and security gear delivered free with Prime

• Fast, free delivery on millions of items
• Prime Video, Amazon Music and more included
• Member-only deals all year

Start your free Prime trial →Free trial for eligible customers · Cancel anytime

As an affiliate, we earn on qualifying purchases.Hide

Key Takeaways

• The 2TB Aegis Padlock earns the overall spot by balancing substantial drive capacity with keypad-based hardware encryption.
• The 5TB WD My Passport offers the most listed capacity, but its product description does not identify hardware encryption; buyers should verify protection details before treating it as a secure backup drive.
• The 1TB Aegis Padlock Fortress is the security-focused hard-drive pick, with PIN access and FIPS 140-2 Level 2 validation listed in its name.
• The secure USB keys trade capacity for carryability: the 128GB Aegis Secure Key 3 NXC has the largest listed capacity among the flash drives, while the 32GB models suit smaller sets.
• The 500GB Aegis Padlock and 2TB Padlock share a basic keypad-drive approach, so the smaller model makes sense only when its capacity better matches the backup or transport job.

Our Top Encrypted Backup Drives Picks

INNÔPLUS 32GB Secure Encrypted USB 3.0 Flash Drive with 256-bit Hardware Encryption		Best for Small, Sensitive Files	Capacity: 32GB	Encryption: 256-bit AES XTS hardware encryption	Interface: USB 3.0	VIEW ON AMAZON	See Our Full Breakdown
WD My Passport 5TB Portable External Hard Drive, Black		Best for High-Capacity Backups	Storage capacity: 5TB	Color: Black	Connectivity: USB 3.1 and USB 3.0 compatible	VIEW ON AMAZON	See Our Full Breakdown
Apricorn Aegis Padlock 2TB USB 3.0 Hardware-Encrypted Portable External Hard Drive		Best for Shared Secure Access	Storage capacity: 2TB	Interface: USB 3.0	Encryption: 256-bit AES XTS	VIEW ON AMAZON	See Our Full Breakdown
WD My Passport 2TB Portable External Hard Drive, Black		Best for Straightforward Everyday Backups	Storage capacity: 2TB	Form factor: 2.5 inches	Connectivity: USB 2.0 and USB 3.0	VIEW ON AMAZON	See Our Full Breakdown
Apricorn Aegis Padlock 500GB USB 3.0 Hardware-Encrypted Portable Hard Drive		Best Rugged Compact Keypad Drive	Storage capacity: 500GB	Interface: USB 3.0	Encryption: 256-bit AES XTS hardware encryption	VIEW ON AMAZON	See Our Full Breakdown
Apricorn Aegis Secure Key 3 NX 32GB		Best for High-Security Pocket Transfers	Capacity: 32 GB	Encryption: 256-bit AES-XTS hardware encryption	Validation: FIPS 140-2 Level 3	VIEW ON AMAZON	See Our Full Breakdown
Apricorn 1TB Aegis Padlock Fortress		Best for Multi-User Portable Backups	Capacity: 1TB	Encryption: 256-bit AES-XTS hardware encryption	Validation: FIPS 140-2 Level 2	VIEW ON AMAZON	See Our Full Breakdown
Apricorn 128GB Aegis Secure Key 3 NXC		Best for Type-C Mobile Backups	Capacity: 128GB	Encryption: 256-bit AES-XTS hardware encryption	Validation: FIPS 140-2 Level 3	VIEW ON AMAZON	See Our Full Breakdown

More Details on Our Top Picks

1. INNÔPLUS 32GB Secure Encrypted USB 3.0 Flash Drive with 256-bit Hardware Encryption

   

   Best for Small, Sensitive Files

   View on Amazon

   The INNÔPLUS 32GB is a compact choice for carrying a limited set of sensitive documents between different systems. Its 256-bit AES XTS hardware encryption works without software or drivers, which makes setup simpler across Windows, Mac, and Linux than the WD My Passport drives, whose backup tools require software installation. The zinc alloy shell adds a sturdier exterior than a typical plastic flash drive, while the stated read and write speeds suit quick transfers. The security tradeoff is severe: after 10 incorrect passwords, the drive resets and erases its contents. No password recovery option is listed, so a forgotten PIN or mistyped credentials could mean permanent data loss. At 32GB, it is better suited to a secure working copy than a full backup archive.

   Pros:

   • 256-bit AES XTS hardware encryption with no software or driver installation
   • Works with Windows, Mac, Linux, and embedded systems
   • Zinc alloy housing provides a sturdy, scratch-resistant exterior
   • Automatic data erasure after 10 incorrect password attempts limits repeated guessing

   Cons:

   • 32GB capacity is too limited for many photo, video, or computer backups
   • Ten failed password attempts trigger a factory reset and permanent data loss
   • No password recovery option is specified

   Best for: People who need a small, software-free encrypted copy of documents to move among Windows, Mac, and Linux systems

   Not ideal for: Anyone seeking a large backup archive or who cannot risk losing data after forgotten credentials or failed password attempts

   • Capacity:32GB
   • Encryption:256-bit AES XTS hardware encryption
   • Interface:USB 3.0
   • Read speed:Up to 480MB/s
   • Write speed:Up to 160MB/s
   • Compatibility:Windows, Mac, Linux, and embedded systems
   • Housing:Zinc alloy
   • Software required:No
   Our verdict

   “Choose the INNÔPLUS for a small, portable set of files that needs hardware encryption and broad compatibility, provided you can protect and remember its password.”

   → See it on Amazon →

2. WD My Passport 5TB Portable External Hard Drive, Black

   

   Best for High-Capacity Backups

   View on Amazon

   For buyers who need room for a growing collection, the WD My Passport 5TB offers far more capacity than either Apricorn Aegis Padlock drive in this group. Password protection and hardware encryption address the security side of the roundup, while included device management software adds backup tools and ransomware defense. That makes this a better fit for keeping a broad set of files together than the 32GB INNÔPLUS flash drive, which is easier to carry but cannot hold a comparable archive. The tradeoff is reliance on a portable hard drive and its software ecosystem: the listed information does not specify transfer speeds or encryption strength, and the backup software adds setup beyond plugging in a drive. Its slim portable design helps with transport, though it is less pocketable than a flash drive.

   Pros:

   • 5TB capacity accommodates a large file collection
   • Password protection and hardware encryption are included
   • Device management software includes backup tools and ransomware defense
   • Slim design supports portable use

   Cons:

   • Larger and less pocketable than the flash drives in this roundup
   • Software setup adds steps compared with the software-free Apricorn Aegis Padlock drives
   • The supplied product details do not specify encryption strength or transfer speeds

   Best for: Laptop owners who need an encrypted, portable home for several terabytes of photos, videos, and documents

   Not ideal for: People who need a very small drive, software-free setup, or clearly specified encryption and transfer-speed details

   • Storage capacity:5TB
   • Color:Black
   • Connectivity:USB 3.1 and USB 3.0 compatible
   • Security:Password protection and hardware encryption
   • Included software:Device management software with ransomware defense
   • Warranty:3-year limited warranty
   • Model:WDBPKJ0050BBK-WESN
   Our verdict

   “Pick the WD My Passport 5TB when archive capacity matters more than flash-drive portability or software-free setup.”

   → See it on Amazon →

3. Apricorn Aegis Padlock 2TB USB 3.0 Hardware-Encrypted Portable External Hard Drive

   

   Best for Shared Secure Access

   View on Amazon

   The Apricorn Aegis Padlock 2TB suits teams or households that need multiple authorized people to access one encrypted drive. Its integrated keypad supports five user PINs and one admin PIN, giving it a clearer access-management role than the WD My Passport 2TB, whose listed security centers on password protection and hardware encryption. It also needs no software or administrator rights, which can ease use on managed computers. Capacity is ample for many personal backups, though the WD My Passport 5TB holds more when the archive is the priority. The main compromise is the mechanical 5400 rpm hard drive: it is bulkier and less suited to frequent fast file work than a flash drive, and users must enter a PIN on the device keypad. Its stated compatibility is PC and Mac.

   Pros:

   • 256-bit AES XTS hardware encryption
   • Keypad supports five user PINs and one administrator PIN
   • Software-free operation does not require administrator rights
   • Includes integrated USB 3.0 and Y-extension cables

   Cons:

   • Mechanical 5400 rpm drive is less suited to frequent fast transfers than flash storage
   • PIN must be entered on the integrated keypad
   • Listed compatibility is limited to PC and Mac

   Best for: Small teams or households that want separate PIN access for several users and an administrator

   Not ideal for: Buyers who prioritize high transfer performance, flash-drive size, or compatibility beyond the listed PC and Mac systems

   • Storage capacity:2TB
   • Interface:USB 3.0
   • Encryption:256-bit AES XTS
   • Authentication:Integrated keypad; up to 5 user PINs and 1 admin PIN
   • Rotational speed:5400 rpm
   • Form factor:2.5 inches
   • Compatible devices:PC and Mac
   • File system:NTFS
   Our verdict

   “Choose the Aegis Padlock 2TB when multiple people need PIN-based access to a shared encrypted backup drive.”

   → See it on Amazon →

4. WD My Passport 2TB Portable External Hard Drive, Black

   

   Best for Straightforward Everyday Backups

   View on Amazon

   The WD My Passport 2TB is aimed at buyers who want a conventional portable drive with encryption and backup tools in one package. Its 2TB capacity provides much more room for a personal file collection than the INNÔPLUS 32GB flash drive, while its hardware encryption and password protection add a security layer for stored data. WD’s backup software includes ransomware defense, but it must be downloaded and installed; that makes the setup less immediate than the software-free Apricorn Aegis Padlock 2TB, which uses a physical keypad instead. For someone who already prefers computer-managed backup software, that may be a reasonable trade. Those who need a stated encryption standard or multi-user PIN access should look to the Apricorn instead. This model lists USB 2.0 and USB 3.0 connectivity and a three-year limited warranty.

   Pros:

   • 2TB capacity for a broad personal file backup
   • Hardware encryption and password protection
   • Backup software includes ransomware defense
   • Portable 2.5-inch design with USB 2.0 and USB 3.0 connectivity

   Cons:

   • Backup software requires download and installation
   • No encryption algorithm or strength is specified in the supplied details
   • No keypad access is listed, unlike the Apricorn Aegis Padlock 2TB

   Best for: Individual computer users who want a 2TB portable backup drive with password protection and downloadable backup software

   Not ideal for: People who need software-free operation, keypad PIN access, or a specified encryption algorithm

   • Storage capacity:2TB
   • Form factor:2.5 inches
   • Connectivity:USB 2.0 and USB 3.0
   • Color:Black
   • Encryption:Hardware encryption
   • Backup software:Includes ransomware defense; download and installation required
   • Warranty:3-year limited warranty
   Our verdict

   “Choose the WD My Passport 2TB if you want a familiar software-managed backup workflow with hardware encryption and do not mind installing its tools.”

   → See it on Amazon →

5. Apricorn Aegis Padlock 500GB USB 3.0 Hardware-Encrypted Portable Hard Drive

   

   Best Rugged Compact Keypad Drive

   View on Amazon

   The Apricorn Aegis Padlock 500GB prioritizes physical access controls and a rugged exterior in a smaller-capacity hard drive. Its 256-bit AES XTS hardware encryption uses a FIPS PUB 197 validated algorithm, and the wear-resistant keypad lets users unlock the drive without installing software or needing administrator rights. Compared with the Aegis Padlock 2TB, this model gives up substantial storage, so it fits a focused set of sensitive files better than a large computer backup. Its epoxy coating and brute-force self-destruct feature support a security-focused, portable role, but the supplied details do not state how the self-destruct feature behaves or give drive speed and rotational specifications. Buyers who need room for a broad archive should consider the WD My Passport 5TB, while those who value keypad access and a rugged build have a more targeted option here.

   Pros:

   • 256-bit AES XTS hardware encryption using a FIPS PUB 197 validated algorithm
   • Wear-resistant keypad enables hardware-based access control
   • No software or administrator rights required
   • Epoxy coating and brute-force self-destruct feature

   Cons:

   • 500GB capacity is far below the 2TB and 5TB portable drives in this roundup
   • Mechanical drive performance details are not provided
   • The supplied details do not explain the self-destruct trigger or recovery implications

   Best for: Travelers or field workers carrying a modest set of sensitive files who want keypad access and a rugged, software-free drive

   Not ideal for: People backing up a large photo or video library, or buyers who need stated performance and capacity beyond 500GB

   • Storage capacity:500GB
   • Interface:USB 3.0
   • Encryption:256-bit AES XTS hardware encryption
   • Encryption algorithm:FIPS PUB 197 validated
   • Security features:Brute-force self-destruct feature; epoxy coating
   • Keypad:Wear-resistant
   Our verdict

   “Pick the Aegis Padlock 500GB for a rugged, keypad-protected store of sensitive files when you do not need a large backup archive.”

   → See it on Amazon →

6. Apricorn Aegis Secure Key 3 NX 32GB

   

   Best for High-Security Pocket Transfers

   View on Amazon

   The Aegis Secure Key 3 NX suits people who need to carry a small set of sensitive files between different operating systems. Its keypad PIN entry and hardware encryption work without installed software, while FIPS 140-2 Level 3 validation, admin and user modes, and recovery PINs give it a stronger security focus than the INNÔPLUS 32GB Secure Encrypted USB 3.0, whose supplied details do not list a certification. The tradeoff is capacity: 32GB is useful for documents and selected work files, but restrictive for a broad backup. Its USB-A connector also lacks the direct Type-C fit of the Apricorn 128GB Aegis Secure Key 3 NXC. Choose this model for controlled, cross-platform file access; skip it if you need room for a full computer backup or frequent bulk transfers.

   Pros:

   • FIPS 140-2 Level 3 validated hardware encryption
   • Keypad PIN authentication works without host software
   • Admin and user modes, read-only modes, and recovery PINs support managed access
   • Compatible with Windows, iOS, Linux, Android, and Chrome devices

   Cons:

   • 32GB capacity is too small for most full-device backups
   • USB-A connector may require an adapter with newer Type-C devices
   • Limited storage makes its cost per gigabyte relatively high compared with ordinary flash drives

   Best for: Security-conscious professionals carrying a limited set of sensitive files between shared or mixed-platform computers

   Not ideal for: People backing up large photo, video, or computer libraries, since 32GB fills quickly

   • Capacity:32 GB
   • Encryption:256-bit AES-XTS hardware encryption
   • Validation:FIPS 140-2 Level 3
   • Interface:USB 3.0 Type-A
   • Read speed:Up to 77 MB/s
   • Write speed:Up to 60 MB/s
   • Authentication:Onboard keypad PIN
   • Compatible devices:Windows, iOS, Linux, Android, and Chrome devices
   Our verdict

   “Pick this drive for PIN-protected, high-security transfers of a modest amount of data across platforms, not for sizable backups.”

   → See it on Amazon →

7. Apricorn 1TB Aegis Padlock Fortress

   

   Best for Multi-User Portable Backups

   View on Amazon

   The Aegis Padlock Fortress is the most practical of these three Apricorn picks when several authorized people need access to a larger backup: its keypad supports one admin and four user PINs, and its 1TB hard drive offers far more room than either Secure Key flash drive. Hardware encryption and FIPS 140-2 Level 2 validation give it a defined security basis, while the integrated USB cable and water and dust resistance suit travel. Compared with the Level 3 validated Aegis Secure Key 3 NX, it has a lower validation level and a bulkier hard-drive format; compared with the 128GB Aegis Secure Key 3 NXC, it favors capacity over a compact Type-C connection. PIN entry at each use can slow frequent access, and 1TB may still fall short of a large media archive.

   Pros:

   • 1TB capacity for substantially larger backups than the Secure Key flash drives
   • 256-bit AES-XTS hardware encryption with no software installation
   • One admin and four user PINs support multiple authorized users
   • Water and dust resistance and an integrated USB cable aid portable use

   Cons:

   • FIPS 140-2 Level 2 validation is below the Level 3 Secure Key models
   • Entering a PIN for each use can interrupt frequent backup access
   • 1TB may not cover large video libraries or multiple full-device archives

   Best for: Small teams or households that need a shared, PIN-managed portable backup with more space than a flash drive

   Not ideal for: Buyers seeking the highest listed validation level, a compact flash drive, or capacity for a very large media collection

   • Capacity:1TB
   • Encryption:256-bit AES-XTS hardware encryption
   • Validation:FIPS 140-2 Level 2
   • Interface:USB 3.0
   • PIN support:1 admin PIN and 4 user PINs
   • Cable:Integrated USB cable
   • Durability:Water and dust resistant
   • Compatibility:Windows, Mac, and Linux
   Our verdict

   “Choose it for a shared, PIN-controlled 1TB backup; choose a Secure Key model for a smaller flash drive or Level 3 validation.”

   → See it on Amazon →

8. Apricorn 128GB Aegis Secure Key 3 NXC

   

   Best for Type-C Mobile Backups

   View on Amazon

   With a USB 3.2 Type-C connector and 128GB capacity, the Aegis Secure Key 3 NXC is the strongest fit here for moving protected files among newer laptops, tablets, and USB OTG phones. It keeps the Secure Key line’s software-free authentication and FIPS 140-2 Level 3 validated encryption, while offering four times the capacity of the 32GB Aegis Secure Key 3 NX. That makes it more useful for a portable working set, though neither flash drive matches the 1TB Aegis Padlock Fortress for larger backups. The listed read speed is 171 MB/s, but the stated write speed of 625 MB/s is unusually high relative to that figure, so I would verify real-world performance before relying on it for sustained transfers. Its onboard battery also needs USB charging before use.

   Pros:

   • FIPS 140-2 Level 3 validated 256-bit AES-XTS hardware encryption
   • Type-C connector supports compatible computers, tablets, and OTG smartphones
   • 128GB capacity provides more working space than the 32GB Secure Key 3 NX
   • Software-free authentication with separate admin and user modes

   Cons:

   • 128GB remains limited for full-device or large media backups
   • Onboard battery requires USB charging before use
   • Listed write speed is unusually high relative to the read speed and merits verification

   Best for: People who need PIN-protected file backups between Type-C laptops, tablets, and OTG-capable smartphones

   Not ideal for: Buyers archiving large libraries or seeking a drive that can be used without managing an onboard battery

   • Capacity:128GB
   • Encryption:256-bit AES-XTS hardware encryption
   • Validation:FIPS 140-2 Level 3
   • Connector:USB 3.2 Type-C
   • Read speed:Up to 171 MB/s
   • Write speed:Up to 625 MB/s
   • Power:USB port or internal battery
   • Dimensions:3.25 × 0.75 × 0.25 inches
   Our verdict

   “Choose this for protected, portable Type-C transfers across mobile devices, and choose the Padlock Fortress when backup capacity matters more.”

   → See it on Amazon →

How We Picked

I ranked these drives around the needs implied by encrypted backup: identifiable encryption, practical capacity, access method, and how well each format fits routine backups. A keypad or hardware-encryption claim gives a clearer security story than a product listing that names only a portable hard drive. Capacity matters because a drive that cannot hold a complete backup can leave files scattered across devices; portability matters when the drive travels with its owner. I also considered stated standards and connector details, while avoiding assumptions about encryption or compatibility not established by the listed product information.

That puts the Apricorn Aegis Padlock 2TB first as the strongest balance of listed capacity and explicit hardware encryption. The 1TB Padlock Fortress follows for buyers who prioritize its stated validation, while the 500GB Padlock and secure USB keys serve narrower capacity or portability needs. WD’s 2TB and 5TB My Passport drives rank lower for this particular roundup because their supplied names do not state encryption; their capacity alone does not answer the security question. Buyers should confirm the exact model’s encryption method and backup software before purchase.

Factors to Consider When Choosing Encrypted Backup Drives

Choosing an encrypted backup drive starts with the job it needs to do: hold a full device backup, protect a small set of sensitive files, or travel between locations. I would match capacity and access habits to that job before comparing security labels.

Match Capacity to the Backup You Need

Estimate the size of the data set you intend to protect, then leave room for future files and older versions. A drive that fits only today’s files may force you to split backups across devices, making restoration less straightforward. Hard drives in this roundup range up to 5TB, while the listed flash drives top out at 128GB. Those formats serve different workloads: a key can carry documents or a focused archive, while a larger drive is better suited to a broad backup. Avoid choosing by the largest number alone if the device will spend most of its time in a pocket.

Check What the Encryption Claim Actually Covers

Product names often mix encryption algorithms, hardware claims, and certification language, but those details answer different questions. Look for the exact model’s documentation to confirm whether encryption happens on the device, how the key is protected, and what happens after repeated incorrect PINs. A certification reference can help compare validated security designs, though it does not tell you whether a particular model suits your backup workflow. Do not assume that a drive is encrypted just because it is portable or made by a familiar storage brand. For the WD models listed here, verify encryption support for the exact version before relying on them for sensitive backups.

Choose an Access Method You Will Keep Using

A keypad lets some encrypted drives unlock without installing software on the host computer, which can be useful when moving between systems. That convenience depends on remembering the PIN and following the manufacturer’s lockout and reset procedures. USB keys are compact and easy to carry, but their small size also makes them easier to misplace. A large external drive may be less convenient to transport yet simpler to dedicate to scheduled backups at home. Consider where you will unlock the drive and who else may need to restore files before settling on a format.

Plan for Recovery Before You Need It

Encryption protects confidentiality, but it can make forgotten credentials or damaged hardware a serious access problem. Read the recovery and reset instructions before loading the only copy of important files. Keep a separate backup copy in another protected location, and store recovery information apart from the drive. Test that a small backup can be restored while the original files are still available. A dependable routine and a recoverable second copy matter as much as the drive’s security features.

Account for Connectors and Backup Software

Connector type affects whether the drive plugs directly into your computer or needs an adapter. The Aegis Secure Key 3 NXC is listed with USB 3.2 Type-C, while several other products specify USB 3.0; check your device’s ports and the exact included cable. Connector fit does not guarantee that backup software will work with your operating system. Confirm file system and software compatibility, especially if the drive will move between computers. A small adapter can solve a port mismatch, but it adds another item to carry and can complicate an emergency restore.

Frequently Asked Questions

Can I use a regular portable hard drive as an encrypted backup drive?

Possibly, but the product name alone may not establish that encryption is included. Confirm whether the exact model supports hardware encryption or whether you would need to encrypt it through your operating system. Software encryption can fit an existing workflow, but access may depend on compatible software and a recovery key. The WD My Passport names in this roundup list capacity and portability without specifying encryption, so check the product documentation before storing sensitive backups. Keep recovery credentials separate from the drive.

Should I choose a keypad drive or an encrypted USB key?

Choose based on what you need to carry and how much data you need to protect. A keypad hard drive offers far more listed capacity in this lineup, which suits broader backups, while a secure USB key is smaller for transporting selected files. Keypad access can help when you use different computers, but it requires managing a PIN. A flash drive is easier to carry and easier to misplace, so it should not become the only copy of important data. For a full computer backup, the hard-drive format is generally the more practical starting point.

Is a FIPS-validated drive necessary for personal backups?

Not for every household or individual. A validated model may matter when an employer, client, or policy requires a particular security standard. For personal use, clear encryption behavior, a manageable unlock process, and reliable recovery practices may be more relevant. The Aegis Padlock Fortress lists FIPS 140-2 Level 2 validation, while other options emphasize hardware encryption without that same claim in their names. Check the requirements that apply to your data before paying extra attention to a certification label.

How much capacity should I leave free on an encrypted backup drive?

Leave enough room for new files and for the backup method you plan to use. Versioned backups may retain older copies, so they can need more space than a single mirror of your current files. If the drive fills, some backup tools stop updating or remove older versions according to their settings. Estimate the data you will protect, check how your software handles history, and choose headroom for growth. A larger drive is useful only if your backup routine can make use of it.

What should I do if I forget the drive’s PIN or password?

Check the exact model’s recovery policy before buying, because reset behavior can vary and a reset may erase stored data. Keep any recovery key or credential record in a separate secure place rather than on the drive itself. Do not use the drive as the sole home for files you cannot replace. Maintain another encrypted copy and confirm you can restore from it. These steps reduce the chance that a forgotten credential turns into permanent data loss.

Conclusion

For most buyers seeking an explicitly hardware-encrypted backup drive with room for substantial data, I recommend the Apricorn Aegis Padlock 2TB as the best overall fit. The 500GB Aegis Padlock is the value pick when that capacity is enough, while the Padlock Fortress 1TB is the premium choice for buyers who need its listed validation and PIN access. Beginners who want a smaller, straightforward device can start with the Aegis Secure Key 3 NX 32GB, provided its capacity suits their files. For a compact Type-C option with more room, consider the 128GB Aegis Secure Key 3 NXC. Choose either WD My Passport only after confirming encryption for the exact model; its larger capacity does not by itself make it an encrypted backup drive.