Tech & Smart Home

Portable SSDs

Compared on interface speed, read and write rates, ruggedness and warranty for pocket-sized external drives.

Top picks compared: 4
Specs compared per product: 6

Side-by-side comparison

The four top picks in Portable SSDs, chosen from public third-party testing and editorial research, then compared on specs, strengths and drawbacks. Swap any product to compare something else.

Best OverallBest ValueTop PremiumCustomer Favorite

Compare

SamsungT7 Shield 1TB

Best Overall

Samsung

Samsung T7 Shield Portable SSD (1TB)

Overview

Rugged portable SSD with USB 3.2 Gen 2 transfers up to 1050 MB/s and IP65 water and dust resistance.

Buying Recommendation

Best Overall. Our top pick after weighing every trade-off.

Web Consensus Insights

The Samsung T7 Shield delivers noticeable performance improvements over previous models, particularly in sustained write workloads. PCWorld testing highlights its ruggedized exterior and reliable speeds, making it a strong all-around choice for durable storage.

Best For

Carrying work between machines in a bag or pocket

Top Pros

Ruggedized exterior
Improved write performance
Silicone protective cover

Top Cons

Lacks fingerprint scanning
Performance depends on cache

Key Specs

Capacity Tested: 2TB
Interface: 10Gbps USB
Max Read: Info not available
Max Write: Info not available
Drop Rating: Info not available
Warranty: Info not available

Check Current Price on Amazon

SanDiskExtreme PRO (V2) 1TB

Top Premium

SanDisk

SanDisk Extreme PRO Portable SSD (1TB)

Overview

High-speed portable SSD with a USB 3.2 Gen 2x2 interface and read and write speeds up to 2000 MB/s.

Buying Recommendation

Top Premium. The highest published performance and build quality.

Web Consensus Insights

This drive offers blistering performance, with TechRadar testing showing read and write speeds exceeding 1000MBps thanks to its advanced interface. It stands as the highest-performing option in the lineup, though PCMag notes recent user reports regarding reliability.

Best For

Video editors moving huge files quickly

Top Pros

Extremely fast transfer speeds
Advanced USB 3.2 Gen 2x2 interface
Rugged physical design

Top Cons

Requires specific ports for maximum speed
Recent reliability concerns reported

Key Specs

Capacity Tested: 1TB
Interface: USB 3.2 Gen 2x2
Max Read: 1052MBps
Max Write: 1034MBps
Drop Rating: Info not available
Warranty: 1-Year Limited

Check Current Price on Amazon

SanDiskExtreme Portable SSD V2 1TB

Customer Favorite

SanDisk

SanDisk Extreme Portable SSD V2 (1TB)

Overview

Portable SSD with 1050 MB/s transfers, IP65 protection and a carabiner loop for clipping to a bag.

Buying Recommendation

Customer Favorite. The one shoppers keep coming back to.

Web Consensus Insights

StorageReview testing shows this drive delivering excellent sequential read and write speeds near its theoretical limits. It is a widely recognized and popular drive, though PCMag points out that some users have reported sudden drive failures.

Best For

Phone and laptop backups with a little drop protection

Top Pros

Excellent sequential speeds
Compact and durable build
Broad compatibility

Top Cons

User reports of drive failures
Slower than the Pro version

Key Specs

Capacity Tested: 1TB
Interface: USB 3.2 Gen2 (10Gb/s)
Max Read: 921.5MB/s
Max Write: 950.4MB/s
Drop Rating: Info not available
Warranty: Info not available

Check Current Price on Amazon

CrucialX6 1TB

Best Value

Crucial

Crucial X6 Portable SSD (1TB)

Overview

Budget portable SSD with up to 800 MB/s read speeds in a palm-sized plastic body.

Buying Recommendation

Best Value. The strongest published capability for its place in the lineup.

Web Consensus Insights

The Crucial X6 is praised by Tom's Hardware and PCWorld as a highly accessible and responsive drive for everyday file transfers. However, testing reveals that its QLC flash memory causes write performance to tank significantly once the cache runs out.

Best For

Simple, cheap expansion for a laptop or console

Top Pros

Highly accessible entry point
Compact squarish design
Responsive for light tasks

Top Cons

Write speeds tank after cache fills
Uses slower QLC flash

Key Specs

Capacity Tested: 1TB
Interface: USB 3.2 Gen 2x1
Max Read: 550MBps
Max Write: Info not available
Drop Rating: Info not available
Warranty: Info not available

Check Current Price on Amazon

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Samsung

SamsungT7 Shield 1TB

Best Overall

Samsung T7 Shield Portable SSD (1TB)

Our top pick after weighing every trade-off.

Check Current Price on Amazon

Overview

Rugged portable SSD with USB 3.2 Gen 2 transfers up to 1050 MB/s and IP65 water and dust resistance.

Buying Recommendation

Best Overall

Best For

Carrying work between machines in a bag or pocket

Web Consensus Insights

Top Pros

Ruggedized exterior
Improved write performance
Silicone protective cover

Top Cons

Lacks fingerprint scanning
Performance depends on cache

Key Specs

Capacity Tested: 2TB
Interface: 10Gbps USB
Max Read: Info not available
Max Write: Info not available
Drop Rating: Info not available
Warranty: Info not available

SanDisk

SanDiskExtreme PRO (V2) 1TB

Top Premium

SanDisk Extreme PRO Portable SSD (1TB)

The highest published performance and build quality.

Check Current Price on Amazon

Overview

High-speed portable SSD with a USB 3.2 Gen 2x2 interface and read and write speeds up to 2000 MB/s.

Buying Recommendation

Top Premium

Best For

Video editors moving huge files quickly

Web Consensus Insights

Top Pros

Extremely fast transfer speeds
Advanced USB 3.2 Gen 2x2 interface
Rugged physical design

Top Cons

Requires specific ports for maximum speed
Recent reliability concerns reported

Key Specs

Capacity Tested: 1TB
Interface: USB 3.2 Gen 2x2
Max Read: 1052MBps
Max Write: 1034MBps
Drop Rating: Info not available
Warranty: 1-Year Limited

SanDisk

SanDiskExtreme Portable SSD V2 1TB

Customer Favorite

SanDisk Extreme Portable SSD V2 (1TB)

The one shoppers keep coming back to.

Check Current Price on Amazon

Overview

Portable SSD with 1050 MB/s transfers, IP65 protection and a carabiner loop for clipping to a bag.

Buying Recommendation

Customer Favorite

Best For

Phone and laptop backups with a little drop protection

Web Consensus Insights

Top Pros

Excellent sequential speeds
Compact and durable build
Broad compatibility

Top Cons

User reports of drive failures
Slower than the Pro version

Key Specs

Capacity Tested: 1TB
Interface: USB 3.2 Gen2 (10Gb/s)
Max Read: 921.5MB/s
Max Write: 950.4MB/s
Drop Rating: Info not available
Warranty: Info not available

Crucial

CrucialX6 1TB

Best Value

Crucial X6 Portable SSD (1TB)

The strongest published capability for its place in the lineup.

Check Current Price on Amazon

Overview

Budget portable SSD with up to 800 MB/s read speeds in a palm-sized plastic body.

Buying Recommendation

Best Value

Best For

Simple, cheap expansion for a laptop or console

Web Consensus Insights

Top Pros

Highly accessible entry point
Compact squarish design
Responsive for light tasks

Top Cons

Write speeds tank after cache fills
Uses slower QLC flash

Key Specs

Capacity Tested: 1TB
Interface: USB 3.2 Gen 2x1
Max Read: 550MBps
Max Write: Info not available
Drop Rating: Info not available
Warranty: Info not available

Prices, availability and ratings change constantly, so we do not store them: always confirm the current price with the link on each product. Picks, pros, cons and consensus summaries are compiled from public third-party testing, editorial reviews and published specifications. As an Amazon Associate, we earn from qualifying purchases.