Buffalo External SSD USB-A 1TB
Score: 79/100
SSK Portable SSD 256GB
Score: 53/100Rankings
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 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.
| Attribute | | |
|---|---|---|
1,000 GBbest | 256 GB | |
600 MB/sbest | 550 MB/s | |
500 MB/sbest | 500 MB/sbest | |
| ↓ lower better | 68 g | 43 gbest |
36 monthsbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Capacity(1) | ||
Storage Capacity (GB) | 1000 GB | 256 GB |
Performance(1) | ||
Sequential Read Speed (MB/s) | 600 MB/s | 550 MB/s |
Build & Design(2) | ||
Weight (g) | 68 g | 43 g |
Form Factor | Thumb-drive | Portable |
Power & Connectivity(1) | ||
Included Cable Type | USB‑A to USB‑C adapter | USB-A to USB-C, USB-C to USB-C |
Compatibility(1) | ||
Operating System Compatibility | Windows, macOS, ChromeOS, PS4, PS5, Xbox One, Xbox Series X/S | Windows, macOS, Linux, Android |
Products in the top-left offer the best value (high score, low price).
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 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.
“So small and fast!”
“Works perfectly with PS5”
“Durable and reliable”
