Samsung 256GB USB 3.1 Flash Alternatives: 6 Similar Picks Compared

How alternatives compare to Samsung

iStorage datAshur PRO 8GB Encrypted Flash Drive

The iStorage datAshur PRO 8GB focuses on security rather than capacity. It offers only 8 GB of storage, which is significantly less than the Samsung 256GB drive. However, it provides FIPS 140-2 Level 3 compliance and password protection. This makes it suitable for sensitive small files. The drive is waterproof and rugged, weighing 0.88 ounces. It is much larger than the slim Samsung model. If you need high security for small data sets, this is a strong choice. For large file storage, the Samsung drive remains the better option due to its higher capacity and faster read speeds.

Integral 64GB Courier Encrypted USB 3.0 Flash Drive

The Integral 64GB Courier offers FIPS 197 certified hardware encryption. It has 64 GB of storage, which is one-quarter of the Samsung 256GB capacity. It uses USB 3.0 connectivity and 256-Bit AES encryption. The drive does not require software dependencies for security. It weighs 0.32 ounces and is slightly smaller than the Samsung drive. This model is ideal for users who prioritize certified secure storage over large capacity. The Samsung drive is better for transferring large media files. Choose the Integral drive if you need compliance and security for moderate-sized sensitive documents.

Apricorn Aegis Secure Key 3Z 16GB

The Apricorn Aegis Secure Key 3Z 16GB provides FIPS 140-2 Level 3 validation and 256-Bit AES encryption. It has only 16 GB of storage, which is much less than the Samsung 256GB drive. The drive is rugged and designed for physical durability. It weighs 1.75 ounces, making it heavier and bulkier than the slim Samsung model. It uses USB 3.0 connectivity. This drive is best for users who need secure storage for small, sensitive data sets. If you require high capacity for large files, the Samsung drive is superior. The Apricorn is a secure alternative for professionals handling critical small files.

iStorage datAshur Personal2 32GB Encrypted Flash Drive

The iStorage datAshur Personal2 32GB focuses on secure storage for sensitive documents. It offers 32 GB of capacity, which is less than the Samsung 256GB drive. It features password protection for data security. The drive is compact and weighs 0.49 ounces. It is larger and heavier than the slim Samsung model. This drive is ideal for professionals who need encryption for moderate-sized files. The Samsung drive is better for users who prioritize high capacity and fast transfer speeds. Choose the iStorage drive if you need password protection for sensitive documents and do not require large storage space.

Samsung 128GB USB 3.1 Type-A Flash Drive

The Samsung 128GB USB 3.1 Type-A Flash Drive is a smaller capacity version of the original. It offers 128 GB of storage, which is half of the Samsung 256GB drive. It uses USB-A connectivity and has a silver finish. The drive weighs 0.35 ounces and is slightly larger in height than the 256GB model. It is suitable for users who prioritize portability and standard connectivity. The 256GB model provides more storage space. If you need less capacity and a slightly different form factor, this 128GB version is a compatible alternative from the same brand.

SanDisk 512GB Ultra Fit USB-A Flash Drive

The SanDisk 512GB Ultra Fit USB-A Flash Drive offers double the capacity of the Samsung 256GB drive. It provides 512 GB of storage in a tiny package. The drive has a read speed of 130 MB/s, which is slower than the Samsung drive's 400 MB/s read speed. It uses USB-A connectivity and weighs very little. This drive is ideal for users who prioritize high capacity and basic security over maximum transfer speeds. If you need to store large files and do not require fast transfer rates, the SanDisk drive is a strong alternative. The Samsung drive is better for users who value speed and metal durability.

Quick picks

Our 7 picks

1 Best overall

Samsung 256GB USB 3.1 Flash Drive

Best for: durable high-capacity portable storage

Storage Capacity

256 GB

Read Speed

Up to 400 MB/s

Height

0.1 inches

Weight

0.35 ounces

View on Amazon: Samsung 256GB USB 3.1 Flash Drive Affiliate link

This Samsung flash drive offers 256 GB of storage in a champagne silver unibody metal housing. It delivers read speeds up to 400 MB/s and write speeds up to 110 MB/s via USB 3.1. The design includes an integrated key ring and provides five-fold protection against water, shock, magnets, temperature, and X-rays. It suits users needing durable, high-capacity portable storage for frequent file transfers.

Pros

• Up to 400 MB/s read speed for fast data access
• 256 GB storage capacity for large files
• Durable unibody metal construction with integrated key ring
• Five-fold protection including waterproof and shockproof design

Cons

• Write speed of 110 MB/s is slower than read speed
• No hardware encryption or password protection listed
• Limited to USB Type-A connector

Good fit if

• You need high capacity for media files
• You want a durable metal drive
• You value fast read speeds

Skip if

• You require hardware encryption
• You need USB Type-C connectivity
• You prioritize maximum write speeds

Verdict: Samsung 256GB USB 3.1 Flash Drive provides reliable speed and durability for users who prioritize capacity and build quality over encryption features.

2 Best 8gb

iStorage datAshur PRO 8GB Encrypted Flash Drive

Best for: high-security small file storage

Storage Capacity

8 GB

USB Version

USB 3.2

Read Speed

Up to 169MB/s

Security Standard

FIPS 140-2 Level 3, AES-XTS 256-bit

Size

8GB

Security Features

FIPS 140-2 Level 3, Password Protection

View on Amazon: iStorage datAshur PRO 8GB Encrypted Flash Drive Affiliate link

This iStorage drive uses hardware encryption to protect your files without software. It meets FIPS 140-2 Level 3 standards and uses AES-XTS 256-bit encryption. You authenticate access with a PIN. It offers read speeds up to 169MB/s and write speeds up to 135MB/s. The 8GB capacity is small compared to other picks. It is ideal for users needing high security for small data sets.

Pros

• FIPS 140-2 Level 3 certified hardware encryption
• AES-XTS 256-bit encryption standard
• Read speeds up to 169MB/s
• IP57 waterproof and dust resistant
• No software installation required

Cons

• Only 8GB storage capacity
• Blue color option only
• Larger physical size than standard drives

Good fit if

• You need government-grade data encryption
• You store small files requiring high security
• You work in regulated environments like healthcare

Skip if

• You need more than 8GB of space
• You prefer larger storage options like 256GB
• You want a standard silver or black drive

Verdict: iStorage datAshur PRO 8GB Blue is a secure, rugged drive for users who prioritize encryption over capacity. It suits those carrying sensitive small files who need FIPS compliance and physical durability.

3 Also great

Integral 64GB Courier Encrypted USB 3.0 Flash Drive

Best for: FIPS 197 certified secure storage

Storage Capacity

64GB

USB Version

USB 3.0

Security Standard

FIPS 197, AES 256-bit

Security Features

256-Bit AES Encryption, FIPS 197

Dimensions

2.76 × 0.91 × 0.39 inches

Weight

0.32 ounces

View on Amazon: Integral 64GB Courier Encrypted USB 3.0 Flash Drive Affiliate link

The Integral Courier-197 is a 64GB USB 3.0 flash drive built for security. It uses mandatory 256-bit AES hardware encryption and meets FIPS 197 standards. The drive locks automatically when removed and erases data after six failed password attempts. It requires no software installation. This drive suits users who need government-grade protection for confidential files without managing subscriptions.

Pros

• FIPS 197 certified hardware encryption
• 256-bit AES security standard
• Auto-lock when removed from host
• Data erasure after failed attempts
• No software installation required

Cons

• 64GB capacity is smaller than 256GB alternatives
• Blue color does not match silver drives
• Single password model lacks dual-password option

Good fit if

• You need FIPS 197 certified security
• You store sensitive confidential files
• You prefer no software installation

Skip if

• You need 256GB or larger capacity
• You require dual-password authentication
• You want a silver finish

Verdict: The Integral 64GB Courier-197 Encrypted USB is ideal for users prioritizing FIPS 197 compliance over storage space. It offers robust hardware encryption without software dependencies, making it a secure choice for sensitive data transfer.

4 Best premium

Apricorn Aegis Secure Key 3Z 16GB

Best for: secure data storage with rugged physical protection

Storage Capacity

16GB

USB Version

USB 3.0

Security Standard

256-bit AES XTS, FIPS 140-2 Level 3

Security Features

256-Bit AES Encryption, FIPS 140-2 Level 3

Dimensions

3.25 × 0.7 × 0.3 inches

Weight

1.75 ounces

View on Amazon: Apricorn Aegis Secure Key 3Z 16GB Affiliate link

This is a rugged, hardware-encrypted USB 3.0 drive built for strict security needs. It features a 16GB capacity and 256-bit AES XTS encryption. The aluminum housing is IP57 rated for water and dust resistance. It uses a 7-16 digit PIN for access. This drive suits users who need FIPS 140-2 Level 3 validation and durable physical protection for sensitive data.

Pros

• 256-bit AES XTS hardware encryption
• FIPS 140-2 Level 3 validated
• IP57 water and dust resistant aluminum housing
• Embedded PIN authentication with user forced enrollment

Cons

• Only 16GB storage capacity
• Heavier and bulkier than standard flash drives
• No mention of included software configurator

Good fit if

• You need FIPS 140-2 Level 3 validation
• You require a rugged, water-resistant drive
• You prioritize hardware encryption over large capacity

Skip if

• You need more than 16GB of space
• You want a lightweight, pocket-sized drive
• You prefer simple password-only access without PINs

Verdict: Apricorn Aegis Secure Key 3Z 16GB is a secure, rugged drive for users who need FIPS 140-2 Level 3 validation and physical durability, though its small 16GB capacity limits its use for large files.

5 Best 32gb

iStorage datAshur Personal2 32GB Encrypted Flash Drive

Best for: Secure storage of sensitive documents

Storage Capacity

32 GB

USB Version

USB 3.2

Read Speed

Up to 169MB/s

Security Standard

AES-XTS 256-bit

Size

32GB

Security Features

Password Protection

View on Amazon: iStorage datAshur Personal2 32GB Encrypted Flash Drive Affiliate link

This is a password-protected USB flash drive with 32 GB of storage. It uses AES-XTS 256-bit hardware encryption to secure your files. You enter a 7-15 digit PIN to access data. Read speeds reach up to 169MB/s. It works with Windows, macOS, Linux, and Android. No software is required. It fits users who need portable security for sensitive documents.

Pros

• AES-XTS 256-bit hardware encryption
• Password-protected with 7-15 digit PIN
• Read speeds up to 169MB/s
• No software installation needed

Cons

• 32 GB capacity is small compared to 256 GB alternatives
• Black color does not match the champagne silver theme
• Limited storage options max out at 64 GB

Good fit if

• You need hardware encryption for sensitive data
• You want a drive that works without installing software
• You require compliance with GDPR or HIPAA

Skip if

• You need more than 64 GB of storage
• You prefer a champagne silver finish
• You want high-speed write transfers over 135MB/s

Verdict: iStorage datAshur Personal2 32GB is a secure choice for professionals handling sensitive data who prioritize encryption over large storage capacity.

6 Best budget

Samsung 128GB USB 3.1 Type-A Flash Drive

Best for: Basic portable storage needs

Storage Capacity

128GB

USB Version

3.0 (3.1 Gen 1)

Connector Type

USB Type-A

Dimensions

0.47 × 1.57 × 0.59 inches

Weight

0.35 ounces

View on Amazon: Samsung 128GB USB 3.1 Type-A Flash Drive Affiliate link

This Samsung drive offers 128GB of storage in a compact silver design. It uses a USB 3.0 (3.1 Gen 1) Type-A connector for broad compatibility. The unit measures 1.57 by 0.59 by 0.47 inches and weighs just 0.35 ounces. It suits you if you need a reliable, portable drive for everyday file transfers without bulk.

Pros

• 128GB storage capacity
• USB 3.0 (3.1 Gen 1) speed
• Compact silver metal build
• Standard USB Type-A connector

Cons

• 128GB capacity is half that of many competitors
• No hardware encryption mentioned
• No included software or security features listed

Good fit if

• You need a basic, reliable drive for general use
• You prefer a compact, lightweight design
• You require a standard USB Type-A connection

Skip if

• You need more than 128GB of space
• You require hardware encryption for sensitive data
• You need faster USB 3.2 Gen 2 speeds

Verdict: Samsung 128GB USB 3.0 Silver Flash Drive fits users who prioritize portability and standard connectivity over high capacity or advanced security features.

7 Best laptop

SanDisk 512GB Ultra Fit USB-A Flash Drive

Best for: High-capacity portable storage

Storage Capacity

512GB

USB Version

USB 3.1 Gen 1

Connector Type

USB-A

Read Speed

Up to 130MB/s

Security Standard

128-bit AES

Compatible Device

Laptop, Tablets

View on Amazon: SanDisk 512GB Ultra Fit USB-A Flash Drive Affiliate link

This SanDisk Ultra Fit offers 512GB of storage in a compact USB-A drive. It delivers read speeds up to 130MB/s, which is significantly faster than standard USB 2.0 options. The drive includes SanDisk SecureAccess software for 128-bit AES encryption. Its small form factor makes it easy to leave plugged in. It suits users needing high capacity without bulk.

Pros

• 512GB storage capacity
• Up to 130MB/s read speed
• 128-bit AES encryption via software
• Compact USB-A design

Cons

• Read speed is lower than USB 3.2 Gen2 alternatives
• Software encryption requires separate download
• No hardware encryption chip

Good fit if

• You need 512GB of portable storage
• You want a small USB-A drive
• You prefer software-based file encryption

Skip if

• You require hardware encryption
• You need speeds over 400MB/s
• You use only USB-C ports

Verdict: SanDisk 512GB Ultra Fit USB-A provides ample space for large files in a tiny package. It is ideal for users who prioritize capacity and basic software security over maximum transfer speeds.

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