Samsung BAR Plus 256GB
Score: 84/100
SanDisk Ultra Dual Drive Go 128GB
Score: 65/100Rankings
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 SanDisk Ultra Dual Drive Go 128 GB combines a USB-A and USB-C connector in a compact swivel design, delivering very fast read performance and convenient Android backup via the Memory Zone app. However, its write speed is modest, it lacks hardware encryption, and the usable capacity is slightly lower than advertised, making it best for casual cross-device file transfers.
| Attribute | | |
|---|---|---|
256 GBbest | 128 GB | |
400 MB/sbest | 400 MB/sbest | |
100 MB/sbest | 3 MB/s | |
5 yearsbest | 5 yearsbest | |
| ↓ lower better | 1.13 gbest | 6.5 g |
| ↓ lower better | 40 mmbest | 44.45 mm |
| ↓ lower better | 15.5 mm | 12.19 mmbest |
| ↓ lower better | 12 mm | 8.64 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(1) | ||
Write Speed (MB/s) | 100 MB/s | 3 MB/s |
Connectivity(1) | ||
USB Interface | USB-A 3.1 | USB 3.2 Gen 1 |
Design(1) | ||
Material | Aluminum | Plastic |
Physical(4) | ||
Weight (g) | 1.13 g | 6.5 g |
Length (mm) | 40 mm | 44.45 mm |
Width (mm) | 15.5 mm | 12.19 mm |
Height (mm) | 12 mm | 8.64 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 praise the dual-connector versatility and fast read speeds, but caution that sustained write performance falls short of expectations, limiting its suitability for demanding backup or editing tasks.
Everyday users love the convenience of the USB-A/C combo, the keyring loop, and quick read speeds, while many express frustration over slow write speeds and the absence of encryption.
