
Samsung BAR Plus 128GB Gray
Score: 77/100
SanDisk Ultra Dual Drive Go 128GB Black
Score: 84/100Rankings

The SanDisk Ultra Dual Drive Go 128 GB combines USB-A and USB-C connectors in a swivel design, providing up to 400 MB/s read speeds and lightweight portability. Write speeds are not disclosed and the weight specification varies, and it lacks extensive bundled software. It excels for users who move files between modern mobile devices and legacy computers.

The Samsung BAR Plus 128 GB USB flash drive combines a sleek metal body with waterproof and shock-proof protection, offering decent performance for everyday use. However, real-world read speeds are lower than advertised and some users experience occasional disconnections and heat issues. It suits casual users and professionals who value durability over top-tier speed.
| Attribute | ![]() | ![]() |
|---|---|---|
128 GBbest | 128 GBbest | |
400 MB/sbest | 400 MB/sbest | |
61.84 MB/sbest | — | |
| ↓ lower better | 1.13 gbest | 5.1 g |
5 yearsbest | 5 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Connectivity(2) | ||
USB Version | USB 3.1 | USB 3.2 Gen 1 |
Interface | Type-A | USB Type-A, USB Type-C |
Build & Design(2) | ||
Weight (g) | 1.13 g | 5.1 g |
Dimensions (L×W×H) (mm) | 12x15.5x40.1 mm | 44.1×12.1×8.6 mm mm |

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

Professional reviewers acknowledge the BAR Plus as a solid mid-range USB flash drive that delivers a noticeable performance jump over Samsung's older BAR 3.0 while maintaining an attractive price per gigabyte. They commend its metal build, compact design, and five-year warranty, but criticize the gap between advertised (400 MB/s) and real-world sequential read speeds (≈283 MB/s) and its modest write speeds, positioning it below premium options like the SanDisk Extreme Pro.
Everyday users generally praise the drive's durability, attractive design, and ample 128GB capacity, noting reliable plug-and-play operation across devices. Recurring complaints focus on occasional disconnections, heat buildup that can lead to failure, and the lack of a dust cap, with a few reports of corrupted files during transfers.




Professional reviewers describe the Ultra Dual Drive Go as a well-designed, ultra-light flash drive that combines a sleek swivel form factor with fast 400 MB/s read performance. They note its large 128 GB capacity removes the need for multiple smaller drives and applaud its broad compatibility across Android, iOS, Windows, and macOS platforms. The dual USB-A/USB-C interface is repeatedly highlighted as a key advantage for mixed-device environments.
Everyday users, though not quoted directly, consistently mention the drive's portability and the convenience of having both USB-A and USB-C connectors in one tiny device. The keyring hole and swivel protection receive positive nods, while the lack of published write-speed numbers and occasional confusion over the exact weight are minor points of uncertainty.