PNY Turbo Attache 3 256GB Gray
Score: 71/100
SanDisk Ultra Dual Drive 256GB USB-C Black
Score: 71/100Rankings
The PNY Turbo Attache 256 GB USB 3.0 flash drive offers a sizable 256 GB capacity with fast 185 MB/s read speeds and a convenient capless sliding design. Its write speed is modest and it lacks advanced features such as encryption or waterproofing. Ideal for office and home users needing portable high-capacity storage.
The SanDisk Ultra Dual Drive 256 GB combines USB-A and USB-C connectors in a retractable design, delivering up to 150 MB/s read speeds and a 5-year warranty. It lacks waterproofing, hardware encryption, and detailed write-speed specifications, which may limit its appeal for power users. Best suited for mobile users who need quick cross-platform file transfers and a compact, high-capacity drive.
| Attribute | | |
|---|---|---|
256 GBbest | 256 GBbest | |
185 MB/sbest | 150 MB/s | |
135 MB/sbest | — | |
| ↓ lower better | 18.1 g | 9.1 gbest |
1 years | 5 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Performance(1) | ||
Read Speed (MB/s) | 185 MB/s | 150 MB/s |
Connectivity(2) | ||
USB Version | USB 3.0 | USB 3.1 Gen 1 |
Interface | Type A | USB |
General(2) | ||
Warranty (years) | 1 years | 5 years |
OS Compatibility | Windows, macOS | Android, iOS |
Build & Design(2) | ||
Weight (g) | 18.1 g | 9.1 g |
Dimensions (L×W×H) (mm) | 57.4 x 10.96 x 20.33 mm | 38.1x20.7x9.4 mm |
Power(1) | ||
Operating Temperature (°C) | 0-60 °C | 0-45 °C |
Products in the top-left offer the best value (high score, low price).
Professional reviewers highlight the high read-speed performance and the convenience of dual connectors, but note the lack of detailed write-speed information and limited durability features in the base model.
Everyday users appreciate the convenience of quickly offloading phone media and the portable design, while some express disappointment with slower real-world speeds and wish for better ruggedness or security features.
