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Looking Beyond the iStorage diskAshur PRO2 256GB Secure? 6 Alternatives Worth a Look

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The iStorage diskAshur PRO2 256GB Secure SSD handles sensitive data with FIPS Level 3 certification and IP56 durability. It encrypts files using AES-XTS 256-bit hardware encryption without requiring software. You enter a PIN to access the drive, which protects your information if the device is lost or stolen. This rugged design suits users who need certified security in harsh environments.

Looking beyond the iStorage diskAshur PRO2 SSD 256GB alternatives, you may want different specifications. Some buyers need more storage capacity, such as 1TB or 8TB options. Others might prefer a lighter build or faster transfer speeds. The seven alternatives listed here were chosen because their specs overlap with the original. They offer similar hardware encryption and password protection features. You can compare capacities, sizes, and security certifications to find the best fit for your specific workflow needs.

How alternatives compare to PRO2

iStorage diskAshur2 256GB Encrypted Portable SSD

The iStorage diskAshur2 256GB shares the same core security model as the PRO2. It uses hardware encryption and password protection to keep your data safe. You enter a PIN to access files. The main difference is certification. The PRO2 holds FIPS Level 3 validation. The diskAshur2 does not list this specific government standard. It is slightly smaller and lighter. You get a more compact drive for daily carry. Choose this if you need basic hardware encryption without the bulk of FIPS compliance. It offers similar protection for general secure storage needs.

WD 1TB My Passport SSD

The WD My Passport SSD 1TB focuses on capacity and speed over specialized security certifications. It offers four times the storage of the PRO2. Transfer rates are generally faster for large file moves. It includes password protection and hardware encryption. However, it lacks the FIPS Level 3 certification found on the PRO2. The build is sleeker but less rugged. It does not carry the IP56 dust and water resistance rating. Pick this drive if you need more space for backups or media. It suits users who want fast, encrypted storage without strict compliance requirements.

iStorage diskAshur3 SSD 512GB

The iStorage diskAshur3 512GB doubles the storage capacity of the PRO2. It maintains the same secure, software-free approach. You still enter a PIN to access your data. It uses hardware encryption to protect files in real time. The drive is slightly larger and heavier. It does not explicitly list FIPS Level 3 certification in the provided specs. It is ideal if you need more room for sensitive documents. The security mechanism remains consistent with the PRO2 lineage. Choose this version if 256GB is too limiting for your workflow. It offers a familiar security experience with more space.

iStorage diskAshur PRO3 512GB Hardware-Encrypted SSD

The iStorage diskAshur PRO3 512GB matches the PRO2’s FIPS Level 3 certification. It provides double the storage capacity. It retains the hardware encryption and PIN authentication features. The drive is heavier and slightly larger. It is designed for users who need certified security with more room. The PRO3 keeps the rugged build quality you expect from the PRO series. It is a direct upgrade for those who outgrow 256GB. Select this model if you require FIPS compliance and larger storage. It offers the same protection standards with increased utility for professional workflows.

Apricorn Aegis Fortress L3 8TB Encrypted SSD

The Apricorn Aegis Fortress L3 8TB offers massive storage compared to the PRO2. It holds thirty-two times more data. It also features FIPS validation for high-security environments. The drive is significantly heavier and larger. It is built for stationary or rack-mounted use rather than casual portability. You lose the IP56 durability rating of the PRO2. This drive suits users who need vast, certified secure storage. It is not designed for frequent travel. Choose this option if capacity and compliance are your top priorities. It provides robust security for large datasets without the need for frequent movement.

iStorage diskAshur M2 240GB Encrypted Portable SSD

The iStorage diskAshur M2 240GB is slightly smaller in capacity than the PRO2. It shares the same rugged design philosophy. It includes hardware encryption and FIPS validation. The drive is more compact and lighter. It fits easily into pockets or small bags. You get similar security features in a smaller form factor. The M2 is ideal for users who prioritize portability above all else. It sacrifices some storage space for reduced size. Choose this model if you need a highly portable, certified secure drive. It offers the same protection standards in a more travel-friendly package.

Quick picks

#ProductBest forPrice
1 iStorage diskAshur PRO2 256GB Secure SSD Best overall FIPS-certified secure portable storage Check price of iStorage diskAshur PRO2 256GB Secure SSD on Amazon
2 iStorage diskAshur2 256GB Encrypted Portable SSD Also great secure portable storage with hardware encryption Check price of iStorage diskAshur2 256GB Encrypted Portable SSD on Amazon
3 WD 1TB My Passport SSD Best 1tb Fast, secure portable storage with password protection Check price of WD 1TB My Passport SSD on Amazon
4 iStorage diskAshur3 SSD 512GB Also great FIPS-compliant, software-free portable encryption Check price of iStorage diskAshur3 SSD 512GB on Amazon
5 iStorage diskAshur PRO3 512GB Hardware-Encrypted SSD Also great FIPS Level 3 compliance needs Check price of iStorage diskAshur PRO3 512GB Hardware-Encrypted SSD on Amazon
6 Apricorn Aegis Fortress L3 8TB Encrypted SSD Best premium High-capacity secure data storage Check price of Apricorn Aegis Fortress L3 8TB Encrypted SSD on Amazon
7 iStorage diskAshur M2 240GB Encrypted Portable SSD Best budget Rugged, hardware-encrypted portable storage Check price of iStorage diskAshur M2 240GB Encrypted Portable SSD on Amazon

Our 7 picks

Best overall

iStorage diskAshur PRO2 256GB Secure SSD

Best for: FIPS-certified secure portable storage

Storage Capacity
256GB
Interface
USB 3.2
Max Read Speed
Up to 361MB/s
Max Write Speed
Up to 358MB/s
Security
Hardware Encryption, Password Protection, FIPS Validated
Dimensions
4.88 × 3.31 × 0.79 inches

View on Amazon: iStorage diskAshur PRO2 256GB Secure SSD Affiliate link

The iStorage diskAshur PRO2 256GB is a rugged, hardware-encrypted portable SSD. It features USB 3.2 connectivity with read speeds up to 361MB/s and write speeds up to 358MB/s. The drive is FIPS 140-2 Level 3 certified and IP56 rated for dust and water resistance. It uses a 7-15 digit PIN for authentication without requiring software. This makes it a secure option for users needing certified data protection on the go.

Pros

  • FIPS 140-2 Level 3 certification for high-security compliance
  • IP56 rating provides dust and water resistance
  • AES-XTS 256-bit hardware encryption requires no software
  • Read speeds up to 361MB/s and write speeds up to 358MB/s

Cons

  • Limited to 256GB storage capacity
  • Heavier at 7.9 ounces compared to standard portable SSDs
  • No mention of included USB cable type or length

Good fit if

  • You need FIPS 140-2 Level 3 certified hardware encryption
  • You require a rugged, IP56-rated drive for outdoor use
  • You want password-protected storage without installing software

Skip if

  • You need more than 256GB of storage space
  • You prioritize lightweight portability over rugged durability
  • You require faster sequential read or write speeds

Verdict: The iStorage diskAshur PRO2 256GB is a secure, rugged drive for users who need FIPS-certified encryption and IP56 durability. It suits those carrying sensitive data in harsh environments rather than those seeking maximum speed or capacity.

Also great

iStorage diskAshur2 256GB Encrypted Portable SSD

Best for: secure portable storage with hardware encryption

Storage Capacity
256GB
Interface
USB 3.2
Form Factor
Portable
Max Read Speed
Up to 361MB/s
Max Write Speed
Up to 358MB/s
Security
Hardware Encryption, Password Protection

View on Amazon: iStorage diskAshur2 256GB Encrypted Portable SSD Affiliate link

The iStorage diskAshur2 SSD 256GB offers password-protected hardware encryption for portable data security. It features AES-XTS 256-bit encryption and a Common Criteria EAL 5+ certified microprocessor. You get USB 3.2 connectivity with read speeds up to 361MB/s and write speeds up to 358MB/s. The drive is IP56 certified for dust and water resistance. This model suits users needing compact, rugged storage with strict compliance standards for GDPR or HIPAA.

Pros

  • AES-XTS 256-bit hardware encryption without software
  • Common Criteria EAL 5+ secure microprocessor
  • IP56 dust and splashproof rating
  • Read speeds up to 361MB/s
  • Compatible with Windows, macOS, Linux, and Android

Cons

  • 256GB capacity is smaller than 512GB and 1TB options on this list
  • No mention of included software management tools
  • Max write speed of 358MB/s is lower than typical internal NVMe drives

Good fit if

  • You need FIPS or GDPR compliant portable storage
  • You want a rugged drive for field use
  • You prefer hardware-based PIN authentication

Skip if

  • You require large 1TB or 8TB storage volumes
  • You need high-speed sequential write performance over 500MB/s
  • You want a drive without password setup

Verdict: The iStorage diskAshur2 SSD 256GB is a secure, rugged option for users prioritizing data protection over raw speed or large capacity. It fits professionals who need portable, encrypted storage for sensitive files.

Best 1tb

WD 1TB My Passport SSD

Best for: Fast, secure portable storage with password protection

Storage Capacity
1TB
Interface
USB 3.2 Gen-2, USB-C
Form Factor
Portable External
Max Read Speed
1050MB/s
Max Write Speed
1000MB/s
Security
Hardware Encryption, Password Protection

View on Amazon: WD 1TB My Passport SSD Affiliate link

The WD 1TB My Passport SSD offers portable storage with NVMe technology. It delivers read speeds up to 1050MB/s and write speeds up to 1000MB/s. You get 256-bit AES hardware encryption with password protection. The drive is drop resistant up to 6.5ft and connects via USB 3.2 Gen-2. It fits users needing fast, secure external storage in a compact silver enclosure.

Pros

  • Read speeds up to 1050MB/s
  • Write speeds up to 1000MB/s
  • 256-bit AES hardware encryption
  • Drop resistant up to 6.5ft

Cons

  • Lacks FIPS validation found on competitors
  • No dedicated hardware authentication button
  • Smaller 1TB capacity compared to 8TB options

Good fit if

  • You need fast file transfers for large media
  • You want password-protected data security
  • You prefer a lightweight portable drive

Skip if

  • You require government-grade FIPS certification
  • You need more than 1TB of space
  • You want a larger 2TB or 4TB capacity

Verdict: WD 1TB My Passport SSD provides solid speed and encryption for general secure storage. It suits users who prioritize fast transfer rates and password protection over specialized compliance standards.

Also great

iStorage diskAshur3 SSD 512GB

Best for: FIPS-compliant, software-free portable encryption

Storage Capacity
512GB
Max Read Speed
Up to 448 MB/s
Max Write Speed
Up to 444 MB/s
Security
Hardware Encryption, Password Protection
Dimensions
5.16 × 3.27 × 0.82 inches

View on Amazon: iStorage diskAshur3 SSD 512GB Affiliate link

The iStorage diskAshur3 SSD 512GB offers hardware encryption with a physical keypad. It reaches up to 448 MB/s read and 444 MB/s write speeds. The drive is FIPS 140-3 Level 3 compliant and works without software on various operating systems. It suits users who need portable, password-protected storage for sensitive data across different devices.

Pros

  • AES-XTS 256-bit hardware encryption
  • Up to 448 MB/s read speed
  • FIPS 140-3 Level 3 compliance
  • No software required for operation

Cons

  • Slower speeds than premium NVMe alternatives
  • 512GB capacity is limited for large libraries
  • Physical keypad adds bulk to the drive

Good fit if

  • You need FIPS 140-3 Level 3 compliance
  • You want a drive that works without software
  • You prioritize physical PIN authentication over software

Skip if

  • You require maximum transfer speeds
  • You need more than 512GB of space
  • You prefer a compact, cable-only design

Verdict: iStorage diskAshur3 SSD 512GB is a secure, software-free option for users who need FIPS compliance and physical PIN entry. It fits professionals handling sensitive data who do not need high-speed bulk storage.

Also great

iStorage diskAshur PRO3 512GB Hardware-Encrypted SSD

Best for: FIPS Level 3 compliance needs

Storage Capacity
512GB
Max Read Speed
Up to 448 MB/s
Max Write Speed
Up to 444 MB/s
Security
Hardware Encryption, Password Protection, FIPS Validated
Dimensions
5.16 × 3.27 × 0.82 inches
Weight
1.21 pounds

View on Amazon: iStorage diskAshur PRO3 512GB Hardware-Encrypted SSD Affiliate link

The iStorage diskAshur PRO3 512GB SSD is a portable drive with FIPS Level 3 certification. It uses hardware encryption and an 8–64 digit PIN for access. Read speeds reach 448 MB/s, and write speeds hit 444 MB/s. It works on Windows, macOS, and Linux without software. The keypad is backlit and wear-resistant. This model suits users needing strong compliance standards.

Pros

  • FIPS 140-3 Level 3 certified
  • AES-XTS 256-bit hardware encryption
  • Up to 448 MB/s read speed
  • No software installation required

Cons

  • Heavier at 1.21 pounds
  • Larger dimensions than standard drives
  • Lower read speed than competitors

Good fit if

  • You need FIPS Level 3 certification
  • You require hardware encryption
  • You want PIN-based access

Skip if

  • You prefer lighter drives
  • You need higher transfer speeds
  • You want software-free setup

Verdict: iStorage diskAshur PRO3 512GB SSD fits users who prioritize certified security over speed or portability. It is ideal for compliance-driven workflows.

Best premium

Apricorn Aegis Fortress L3 8TB Encrypted SSD

Best for: High-capacity secure data storage

Storage Capacity
8TB
Interface
USB 3.0
Form Factor
Portable
Security
Hardware Encryption, FIPS Validated
Dimensions
4.75 × 3 × 0.9 inches
Weight
1 pounds

View on Amazon: Apricorn Aegis Fortress L3 8TB Encrypted SSD Affiliate link

This 8TB portable SSD offers substantial storage in a compact 4.75 by 3 by 0.9 inch chassis. It uses USB 3.0 for connectivity and includes 256-bit AES XTS hardware encryption. The drive holds 1 pound and meets FIPS 140-2 Level 3 validation standards. You get separate admin and user modes with brute-force defense. This setup suits users needing high-capacity, secure storage for sensitive data.

Pros

  • 8TB storage capacity
  • FIPS 140-2 Level 3 validated
  • 256-bit AES XTS hardware encryption
  • Separate admin and user modes

Cons

  • USB 3.0 interface limits transfer speeds compared to newer standards
  • 1 pound weight is heavier than smaller drives
  • 0.9 inch thickness is bulkier than slim alternatives

Good fit if

  • You need 8TB of secure storage
  • You require FIPS 140-2 Level 3 compliance
  • You want hardware encryption with admin controls

Skip if

  • You need USB 3.1 or USB 4 connectivity
  • You prioritize a lightweight and slim form factor
  • You only need 256GB or 512GB of space

Verdict: Apricorn Aegis Fortress 8TB Encrypted SSD provides robust security and large capacity for users who prioritize data protection and compliance over speed and portability.

Best budget

iStorage diskAshur M2 240GB Encrypted Portable SSD

Best for: Rugged, hardware-encrypted portable storage

Storage Capacity
240GB
Interface
USB 3.2
Form Factor
Portable SSD
Max Read Speed
Up to 370MB/s
Max Write Speed
Up to 370MB/s
Security
Hardware Encryption, FIPS Validated

View on Amazon: iStorage diskAshur M2 240GB Encrypted Portable SSD Affiliate link

The iStorage diskAshur M2 is a secure portable SSD with 240GB of storage. It uses hardware encryption with AES-XTS 256-bit protection and requires a 7-15 digit PIN for access. Transfer speeds reach up to 370MB/s for both reading and writing. The drive is rugged, crushproof, and rated IP68 for water and dust resistance. It suits users who need durable, encrypted storage for sensitive files on the go.

Pros

  • AES-XTS 256-bit hardware encryption
  • IP68 water and dust resistance
  • Up to 370MB/s read and write speeds
  • Crushproof and shockproof design

Cons

  • Limited to 240GB capacity
  • Max speeds are lower than 1TB alternatives
  • Requires PIN entry for access

Good fit if

  • You need hardware encryption without software
  • You work in harsh or dusty environments
  • You require a rugged portable drive

Skip if

  • You need more than 240GB of space
  • You want the highest possible transfer speeds
  • You prefer password-based security over PINs

Verdict: iStorage diskAshur M2 240GB offers solid security and durability for users who prioritize data protection and physical ruggedness over large storage capacity.

Specifications side by side

Spec iStorage diskAshur PRO2 256GB Secure SSD iStorage diskAshur2 256GB Encrypted Portable SSD WD 1TB My Passport SSD iStorage diskAshur3 SSD 512GB iStorage diskAshur PRO3 512GB Hardware-Encrypted SSD Apricorn Aegis Fortress L3 8TB Encrypted SSD iStorage diskAshur M2 240GB Encrypted Portable SSD
Storage Capacity 256GB 256GB 1TB 512GB 512GB 8TB 240GB
Interface USB 3.2 USB 3.2 USB 3.2 Gen-2, USB-C not stated not stated USB 3.0 USB 3.2
Form Factor not stated Portable Portable External not stated not stated Portable Portable SSD
Max Read Speed Up to 361MB/s Up to 361MB/s 1050MB/s Up to 448 MB/s Up to 448 MB/s not stated Up to 370MB/s
Max Write Speed Up to 358MB/s Up to 358MB/s 1000MB/s Up to 444 MB/s Up to 444 MB/s not stated Up to 370MB/s
Security Hardware Encryption, Password Protection, FIPS Validated Hardware Encryption, Password Protection Hardware Encryption, Password Protection Hardware Encryption, Password Protection Hardware Encryption, Password Protection, FIPS Validated Hardware Encryption, FIPS Validated Hardware Encryption, FIPS Validated
Size 256GB 256GB 1TB 512GB 512GB 8TB 240GB
Dimensions 4.88 × 3.31 × 0.79 inches 4.72 × 3.15 × 0.59 inches 3.94 × 2.17 × 0.35 inches 5.16 × 3.27 × 0.82 inches 5.16 × 3.27 × 0.82 inches 4.75 × 3 × 0.9 inches 4.37 × 1.77 × 0.47 inches
Weight 7.9 ounces 7.62 ounces 1.62 ounces not stated 1.21 pounds 1 pounds 9.52 ounces
Color Graphite Phantom Black Silver Diamond Black Black black Black
Model IS-DAP2-256-SSD-512-C-X IS-DA2-256-SSD-256-B WDBAGF0010BSL-WESN IS-DA3-256-SSD-512-B IS-DAP3-256-SSD-512-F AFL3-S8TB IS-DAM2-256-240

Frequently asked questions

Is there a cheaper iStorage drive with similar security?

Yes, the iStorage diskAshur2 256GB serves as a budget-friendly alternative. It retains hardware encryption and password protection via PIN entry. However, it lacks the FIPS certification found in the PRO2. It remains a rugged option for users who prioritize basic data protection over specialized compliance standards.

Can I get more storage capacity from iStorage?

You can upgrade to the iStorage diskAshur3 SSD 512GB or the diskAshur PRO3 512GB. Both models offer double the storage of the 256GB PRO2. The diskAshur3 provides FIPS compliance without software, while the PRO3 adds FIPS Level 3 certification. These options suit users needing larger secure volumes.

What is the largest secure SSD available on this list?

The Apricorn Aegis Fortress L3 8TB Encrypted SSD offers the highest capacity. It uses hardware encryption and holds FIPS validation for robust data protection. This drive is designed for users who need substantial secure storage space rather than high-speed portability. It is heavier and bulkier than the smaller SSDs.

Are there non-iStorage options for fast secure storage?

The WD 1TB My Passport SSD is a strong alternative. It provides hardware encryption and password protection for general secure storage. While it lacks specific FIPS certifications, it offers faster transfer rates and a lighter form factor. It suits users who prioritize speed and standard security over specialized compliance standards.

Which drive is best for high-capacity needs?

The Apricorn Aegis Fortress L3 8TB is the top choice for large volumes. It delivers robust security with FIPS validation and hardware encryption. This model is ideal for compliance-driven workflows requiring significant data storage. It is heavier than portable SSDs, reflecting its focus on capacity and security over portability.

Is there a rugged iStorage drive with less capacity?

The iStorage diskAshur M2 240GB offers a rugged, hardware-encrypted solution. It holds FIPS validation and protects data with physical durability. This drive has slightly less capacity than the 256GB PRO2. It is ideal for users who prioritize physical ruggedness and certified security over larger storage space.

Do I need software for encryption on these drives?

Most listed drives, including the iStorage models and WD My Passport, use hardware encryption. You enter a PIN to access files without installing software. The iStorage diskAshur3 specifically emphasizes software-free portable encryption. This approach simplifies access while maintaining strong security standards for sensitive data.

See also