
PNY Turbo Attache 3 256GB Gray
Score: 71/100
SanDisk Ultra Dual Drive Go 256GB Black
Score: 71/100Rankings

The PNY Turbo Attache 3 is a 256 GB USB-3.0 flash drive delivering solid read/write speeds and a convenient capless sliding collar. Its drawbacks are a heavier plastic body and a short 1-year warranty. It suits office and home users needing reliable portable storage.

The SanDisk Ultra Dual Drive Go 256 GB is a compact flash drive featuring dual USB-A and USB-C connectors and fast read speeds up to 150 MB/s. It lacks a disclosed write-speed rating and hardware encryption, which may limit its suitability for intensive data-write tasks. Ideal for users needing cross-platform file transfers on the go.
| Attribute | ![]() | ![]() |
|---|---|---|
256 GBbest | 256 GBbest | |
185 MB/sbest | 150 MB/s | |
135 MB/sbest | — | |
| ↓ lower better | 18.1 g | 3.7 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 3.2 Gen 1 |
Interface Type | Type-A | USB 3.2 Gen 1 |
Build & Design(2) | ||
Weight (g) | 18.1 g | 3.70 g |
Dimensions (L×W×H) (mm) | 57.4×10.96×20.33 mm mm | 44.45×12.19×8.64 mm mm |
General(1) | ||
Warranty (years) | 1 years | 5 years |

Products in the top-left offer the best value (high score, low price).

Consumers echo the professional praise, highlighting the fast read speeds and the convenience of the capless design, while no major complaints appear in the available user-generated content. The drive is generally regarded as a dependable, lightweight option for routine file storage and transfer.
