
Samsung BAR Plus 256GB
Score: 84/100
SanDisk Ultra 128GB
Score: 90/100Rankings

The SanDisk 128 GB Ultra USB 3.0 flash drive combines high capacity with fast read speeds and built-in encryption, aimed at everyday users needing portable storage. Its retractable connector and 5-year warranty are positives, while slower write performance and a lack of an LED are notable drawbacks.

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.
| Attribute | ![]() | ![]() |
|---|---|---|
256 GBbest | 128 GB | |
400 MB/sbest | 130 MB/s | |
100 MB/sbest | 40 MB/s | |
5 yearsbest | 5 yearsbest | |
| ↓ lower better | 1.13 gbest | 30 g |
| ↓ lower better | 40 mm | 10.7 mmbest |
| ↓ lower better | 15.5 mmbest | 22.1 mm |
| ↓ lower better | 12 mm | 7.9 mmbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Storage(1) | ||
Storage Capacity (GB) | 256 GB | 128 GB |
Performance(2) | ||
Read Speed (MB/s) | 400 MB/s | 130 MB/s |
Write Speed (MB/s) | 100 MB/s | 40 MB/s |
Connectivity(1) | ||
USB Interface | USB-A 3.1 | USB 3.0 |
Design(1) | ||
Material | Aluminum | Plastic |
Physical(4) | ||
Weight (g) | 1.13 g | 30 g |
Length (mm) | 40 mm | 10.7 mm |
Width (mm) | 15.5 mm | 22.1 mm |
Height (mm) | 12 mm | 7.9 mm |

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

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.

“Very fast and reliable”

“Durable and stylish”

“Works with everything”



Professional reviewers commend the drive's advertised 130 MB/s read speed (often exceeding that in real-world tests) and its retractable connector, noting its thermal stability, but criticize the inconsistent write performance, lack of an activity LED, and lingering reliability worries.
Everyday users appreciate the fast reads, ample 128 GB capacity, and the convenience of built-in encryption, describing it as ideal for photos, videos, and daily backups, though they note slower write speeds and occasional file corruption.