Rankings
The ADATA SE880 500 GB delivers flagship-class 2 GB/s speeds in a lightweight magnesium-alloy package, offering broad compatibility but lacking encryption and ruggedness.
The Buffalo 500 GB SSD-PUT combines ultra-compact pen-drive dimensions with fast NVMe-over-UASP performance, but its modest PCMark score and lack of a native USB-C port keep it from being a premium choice.
Buffalo's 1 TB SSD-PUT is a thumb-drive-sized external SSD that delivers solid 600 MB/s read performance in a rugged, MIL-STD-810G package, though it needs a firmware update and uses an adapter for USB-C connectivity.
The Netac ZX20L 256 GB Extreme Portable SSD delivers flagship-class NVMe speeds (up to 2000 MB/s) in an aluminum, shock- and dust-resistant case, but its reliability is questioned due to reported early failures and limited after-sales support.
The Crucial X8 1TB Portable SSD offers NVMe-class speeds and a rugged aluminum body at a competitive price, but lacks encryption and sees write performance dip after the cache is used.
The Verbatim Vx500 240 GB SSD delivers fast USB 3.1 Gen 2 performance in a ultra-compact, shock-resistant metal case. It's ideal for portable backups but lacks encryption and higher capacities.
The SSK 256 GB SSD offers decent speeds and excellent portability at a low price, but reliability concerns and overheating have been reported by users.
The Transcend ESD270 250 GB offers a pocket-sized form factor, solid 520 MB/s read speeds and built-in 256-bit AES hardware encryption, making it ideal for users who prioritize security and portability over raw performance. Its slower write speeds and lack of wireless features keep it from being a flagship performer.
The Verbatim Store 'n' Go 256 GB Portable SSD offers solid performance and a slim, lightweight design at a budget price, but it lacks premium features like hardware encryption and a rugged enclosure.
The BUFFALO 1TB External SSD is an ultra-light, PlayStation-licensed portable drive offering 600 MB/s read speeds and shock-resistant construction, aimed at gamers and casual users seeking easy plug-and-play storage.
The Verbatim Vx450 128 GB SSD delivers solid USB 3.0 performance in a compact, shock-resistant package. It's a budget-friendly option for light-weight storage but lacks capacity and advanced security features.
The SSK 256 GB Portable SSD delivers fast USB 3.2 Gen 2 performance in a lightweight aluminum enclosure, with broad compatibility but limited capacity and no built-in encryption.
The Netac ZX20 512 GB Extreme Portable SSD offers flagship-class read/write speeds in a feather-light aluminum case, but its lack of encryption and occasional thermal throttling keep it from being a universal winner.
The MOVE SPEED 256 GB SSD blends decent USB 3.2 Gen 1 performance with biometric AES-256 encryption and a sturdy zinc-alloy body. It shines for security-focused mobile users, though its capacity and speed are modest and it lacks an IP rating.
| Attribute | | | | | | | | | | | | | | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
500 GB | 500 GB | 1,000 GBbest | 240 GB | 1,000 GBbest | 256 GB | 1,000 GBbest | 512 GB | 256 GB | 256 GB | 256 GB | 256 GB | 250 GB | 128 GB | |
2,000 MB/sbest | 600 MB/s | 1,050 MB/s | 500 MB/s | 600 MB/s | 625 MB/s | 600 MB/s | 2,000 MB/sbest | 520 MB/s | 550 MB/s | 2,000 MB/sbest | 550 MB/s | 520 MB/s | 450 MB/s | |
2,000 MB/sbest | 500 MB/s | 1,000 MB/s | 435 MB/s | 500 MB/s | — | — | 1,700 MB/s | 450 MB/s | 500 MB/s | 1,700 MB/s | 500 MB/s | 460 MB/s | 295 MB/s | |
| ↓ lower better | 31 g | 17 gbest | 97 g | 27 g | 68 g | 116 g | 17 gbest | 82 g | 47.78 g | 43 g | 100 g | 27 g | 35 g | 45.4 g |
60 monthsbest | 36 months | 36 months | 24 months | 36 months | — | 36 months | 36 months | 60 monthsbest | — | 36 months | — | 36 months | 24 months | |
| ↓ lower better | — | — | — | — | — | — | — | — | 50 °C | — | — | 42.5 °C | 0 °Cbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | | | | | | | | | | | | | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Capacity(1) | ||||||||||||||
Storage Capacity (GB) | 500 GB | 500 GB | 1000 GB | 240 GB | 1000 GB | 256 GB | 1000 GB | 512 GB | 256 GB | 256 GB | 256 GB | 256 GB | 250 GB | 128 GB |
Performance(3) | ||||||||||||||
Interface | USB 3.2 Gen 2x2 | USB 3.2 Gen 2 | USB-C 3.2 Gen 2 | USB 3.1 Gen 2 | USB 3.2 Gen 2 | USB 3.2 Gen 1 | USB 3.2 Gen 2 | USB 3.2 Gen 2 | USB 3.2 Gen 1 | USB 3.2 Gen 2 | USB-C 3.2 Gen 2 | USB 3.2 Gen2 | USB 3.2 Gen 2 | USB 3.0 |
Sequential Read Speed (MB/s) | 2000 MB/s | 600 MB/s | 1050 MB/s | 500 MB/s | 600 MB/s | 625 MB/s | 600 MB/s | 2000 MB/s | 520 MB/s | 550 MB/s | 2000 MB/s | 550 MB/s | 520 MB/s | 450 MB/s |
Sequential Write Speed (MB/s) | 2000 MB/s | 500 MB/s | 1000 MB/s | 435 MB/s | 500 MB/s | — | — | 1700 MB/s | 450 MB/s | 500 MB/s | 1700 MB/s | 500 MB/s | 460 MB/s | 295 MB/s |
Security(1) | ||||||||||||||
Hardware Encryption | false | false | false | false | false | false | — | — | true | false | — | false | true | false |
Build & Design(2) | ||||||||||||||
Weight (g) | 31 g | 17 g | 97 g | 27 g | 68 g | 116 g | 17 g | 82.0 g | 47.78 g | 43 g | 100 g | 27 g | 35 g | 45.4 g |
Form Factor | External SSD | Pen drive | Portable | 2.5-inch external SSD | Thumb-drive | Portable SSD | portable | Portable | portable | Portable | 2.5-inch external | M.2 2280 | Credit-card | 2.5-inch portable |
Warranty(1) | ||||||||||||||
Warranty Period (months) | 60 months | 36 months | 36 months | 24 months | 36 months | — | 36 months | 36 months | 60 months | — | 36 months | — | 36 months | 24 months |
Power & Connectivity(2) | ||||||||||||||
Power Source | USB | Bus-powered | Bus-powered | Bus-powered via USB | Bus-powered | Bus-powered | bus | — | bus-powered | — | Bus-powered | USB | bus-powered | Bus-powered via USB |
Included Cable Type | USB‑C to USB‑C, USB‑C to USB‑A | USB‑A to USB‑C adapter | USB-C to USB-C | USB-C to USB-A, USB-C to USB-C | USB‑A to USB‑C adapter | USB-C to USB-A cable, USB-A to USB-C adapter | USB-C | USB‑C to USB‑C, USB‑C to USB‑A | — | USB-A to USB-C, USB-C to USB-C | USB-C to C and USB-C to A | USB‑C to USB‑C, USB‑A adapter | USB‑C to‑C, USB‑C to‑A | USB 3.0 cable |
Compatibility(1) | ||||||||||||||
Operating System Compatibility | Windows, macOS, Linux, Android, Xbox, PlayStation, iPad, iPhone | Windows, macOS, ChromeOS, PS4, PS5, Xbox One, Xbox Series X/S | Windows, macOS, Linux, ChromeOS, Android, iPadOS, PS4, Xbox One | Windows 7+, macOS 10.4+ | Windows, macOS, ChromeOS, PS4, PS5, Xbox One, Xbox Series X/S | Windows, macOS | Windows, macOS, PS4, PS5 | Windows, macOS, Linux, Android, consoles, smartphones | Windows, macOS, Android | Windows, macOS, Linux, Android | Windows, macOS, Linux, Android, iOS, consoles | Windows, macOS, Linux, Android, iOS, Xbox, PS4, Smart TVs | Windows, macOS, Linux, Android, iOS/iPadOS, ChromeOS | Windows, macOS, Linux |
Technical Specs(2) | ||||||||||||||
NAND Type | TLC | — | QLC | — | — | — | — | NVMe | SSD‑grade NAND | 3D NAND | — | 3D NAND | 3D NAND | — |
Controller | — | Phison PS2251-17 (U17) | Silicon Motion SM2263EN | — | Phison PS2251-17 (U17) | — | — | — | — | — | — | — | — | — |
Environmental(1) | ||||||||||||||
Operating Temperature (°C) | — | — | — | — | — | — | — | — | 50 °C | — | — | 42.5 °C | 0 °C | — |
Products in the top-left offer the best value (high score, low price).
Professional reviewers praise the blistering 2,000 MB/s burst speeds and compact chassis, while noting the drop in sustained write performance and the need for a Gen2x2 host.
Everyday users love the lightning-quick transfers and pocket-size design, but complain about speed drops on large files and the absence of encryption.
“Extremely fast read/write speeds up to 2,000 MB/s”
“Ultra-compact and lightweight (31 g)”
“No hardware encryption - felt insecure for sensitive files”
Professional reviewers laud the SSD-PUT for its groundbreaking miniaturization, NVMe-over-UASP performance and excellent price-to-speed ratio, while noting a modest PCMark score, firmware-update requirement, and lack of a native USB-C connector.
Everyday users praise the pocket-size convenience, lightning-fast file transfers, reliable LED indicator and seamless console compatibility, while recurring complaints focus on the optional third-year warranty registration, feel of the retractable connector, and desire for a built-in USB-C port.
Reviewers praise the X8 for delivering NVMe-class speeds, solid build, and thermal design, while noting the lack of hardware encryption and activity LED.
Users appreciate the fast transfers and build quality, but frequently mention the drop in sustained write speed and missing activity indicator.
Professional reviewers praise the Vx500's strong point-to-point performance, rugged metal chassis and dual cables, but note its modest capacity and lack of built-in encryption.
Everyday users commend the fast transfers, lightweight form factor and plug-and-play ease, while complaining about limited capacity and occasional write-speed shortfalls.
Professional reviewers praise the SSD-PUT for its miniaturization, solid-state performance in a thumb-drive form factor, and rugged build, but note its modest PCMark score and the need for a firmware update, positioning it as a portable alternative rather than a high-end external SSD.
Everyday users love the tiny size, speed for file transfers, and durability, especially for gaming consoles and travel, while recurring frustrations focus on the required firmware update and the easily misplaced USB-C adapter.
Professional reviewers commend the ultra-slim profile, solid-state reliability and respectable speed at a budget-friendly price, though they note it does not match the premium performance or ruggedness of higher-end competitors.
Everyday users praise the compact size, ease of use and speed boost over HDDs, while recurring complaints focus on lower-than-advertised speeds, plastic housing and lack of built-in encryption.
Reviewers praise the drive's strong PlayStation integration and high read speed, but note the cheap plastic build and potential long-term performance inconsistencies.
Everyday users appreciate the speed and lightweight form factor for gaming, while some report fragile feel and occasional failures.
Professional reviewers note that the ZX20's NVMe-based design and USB 3.2 Gen 2 interface place it on par with flagship portable SSDs, highlighting its impressive read/write performance and excellent price-to-performance ratio, while cautioning about potential thermal throttling and unproven long-term endurance.
Everyday users overwhelmingly praise the drive's speed, pocket-size form factor, and the inclusion of both Type-C and Type-A cables, though some report warm temperatures during long transfers and occasional recognition issues with older hardware.
Reviewers commend the dual-port design and built-in fingerprint encryption, while noting the absence of an IP rating and limited endurance features.
Users appreciate the speed, fingerprint security and metal feel, but mention occasional recognition issues and missing English documentation.
Professional reviewers note performance comparable to premium models like the Samsung T5 while keeping costs low, praising the aluminum enclosure and dual cables but pointing out the lack of encryption as a drawback.
Everyday users rate the drive highly for speed and portability, though they mention the modest 256 GB size and occasional write-speed throttling.
Professional reviewers note that the Netac ZX20L delivers impressive raw performance thanks to its NVMe architecture, positioning it as a fast yet budget-friendly option. However, they caution that the use of a DRAM-less YeeStor controller, unbranded TLC NAND, and the absence of disclosed endurance ratings make long-term reliability questionable.
Everyday users praise the drive's speed and pocket-friendly size, often highlighting its value for casual file transfers and occasional boot use. Recurring complaints focus on sudden failures within months, data loss during crashes, and unresponsive customer service.
Users appreciate the speed and price, yet many report failures, overheating, and data loss, making it a risky choice for critical data.
Professional reviewers highlight the strong encryption and convenient one-touch backup button, while noting that raw speeds lag behind flagship models and the Android app feels unpolished.
Everyday users love the tiny size, fast backup times and built-in encryption, but they often have to reformat for certain consoles and report occasional hiccups on older USB-A ports.
Professional reviewers commend the Vx450 as a high-performance portable SSD that brings near-internal SSD speeds to the USB 3.0 world, while noting speed dependence on the host's USB controller.
Everyday users appreciate the fast read performance, plug-and-play ease, and pocket-sized form factor, though they note slower sustained write speeds and limited capacity.
