
SanDisk Ultra 128GB Red
Score: 38/100
Samsung BAR Plus 256GB
Score: 84/100Rankings

The Samsung BAR Plus 256 GB flash drive delivers strong read performance and a rugged all-metal design, backed by a five-year warranty. Write speeds are less consistent, and the lack of USB-C may be a drawback for users with newer devices.

The Ultra 128 GB USB 3.0 flash drive offers solid read performance and built-in encryption in a compact retractable form factor, targeting everyday users. Write speeds lag behind the advertised maximum, and the slider mechanism may collect dirt over time.
| Attribute | ![]() | ![]() |
|---|---|---|
128 GB | 256 GBbest | |
130 MB/s | 400 MB/sbest | |
100 MB/sbest | 100 MB/sbest | |
1 years | 5 yearsbest | |
| ↓ lower better | 13.64 g | 1.13 gbest |
| ↓ lower better | 10.41 mmbest | 40 mm |
| ↓ lower better | 21.59 mm | 15.5 mmbest |
| ↓ lower better | 56.09 mm | 12 mmbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Storage(1) | ||
Storage Capacity (GB) | 128 GB | 256 GB |
Performance(1) | ||
Read Speed (MB/s) | 130 MB/s | 400 MB/s |
Connectivity(1) | ||
USB Interface | USB 3.0 | USB-A 3.1 |
Warranty & Support(1) | ||
Warranty Period (years) | 1 years | 5 years |
Security(1) | ||
Hardware Encryption | true | false |
Physical(4) | ||
Weight (g) | 13.64 g | 1.13 g |
Length (mm) | 10.41 mm | 40 mm |
Width (mm) | 21.59 mm | 15.5 mm |
Height (mm) | 56.09 mm | 12 mm |

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

Reviewers note reliable read speeds and security software but point out the slower write performance and lack of ruggedness compared to higher-end models.
Consumers appreciate the quick reads and encryption, yet many complain about slow writes and occasional file-corruption issues.

“Transfers a full movie in under 40 seconds”

“Great for backups and school projects”

“Love the SecureAccess software”



Professional reviewers praise the premium metal construction and impressive read speeds, but warn that write performance is erratic and unsuitable for demanding workloads.
Everyday users love the speed, durability, and sleek design, while common complaints focus on slow write speeds for large files and the absence of an activity LED.