Buffalo External SSD USB-A 1TB
Score: 79/100
WD P40 Game Drive 1TB
Score: 65/100Rankings
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 WD_BLACK P40 1TB Game Drive delivers flagship-class 2,000 MB/s speeds and a rugged aluminum design with RGB flair, targeting gamers and creators who need fast transfers, but it can overheat and lacks encryption.
| Attribute | | |
|---|---|---|
1,000 GB | 1,024 GBbest | |
600 MB/s | 2,000 MB/sbest | |
500 MB/s | 2,000 MB/sbest | |
| ↓ lower better | 68 gbest | 78.5 g |
36 months | 60 monthsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Capacity(1) | ||
Storage Capacity (GB) | 1000 GB | 1024 GB |
Performance(3) | ||
Interface | USB 3.2 Gen 2 | USB 3.2 Gen 2x2 |
Sequential Read Speed (MB/s) | 600 MB/s | 2000 MB/s |
Sequential Write Speed (MB/s) | 500 MB/s | 2000 MB/s |
Build & Design(1) | ||
Weight (g) | 68 g | 78.5 g |
Warranty(1) | ||
Warranty Period (months) | 36 months | 60 months |
Power & Connectivity(1) | ||
Included Cable Type | USB‑A to USB‑C adapter | USB-C to USB-C |
Compatibility(1) | ||
Operating System Compatibility | Windows, macOS, ChromeOS, PS4, PS5, Xbox One, Xbox Series X/S | Windows, macOS, Linux |
Technical Specs(1) | ||
Controller | Phison PS2251-17 (U17) | WD SN560E |
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.
“So small and fast!”
“Works perfectly with PS5”
“Durable and reliable”
Professional reviewers praise the P40 for its near-flagship sequential speeds, solid aluminum construction, and superior random write performance, while noting thermal throttling and the lack of hardware encryption.
Everyday users love the lightning-fast transfers, rugged feel, and eye-catching RGB, often highlighting how quickly large game libraries move and the drive survives drops, but recurring complaints focus on heat buildup and Windows-only RGB control.
