
SanDisk Ultra Flair 256GB
Score: 72/100
SamData 64GB USB Flash Drive
Score: 63/100Rankings

The SanDisk Ultra Flair 256 GB flash drive delivers fast read speeds and a rugged metal body with built-in encryption, making it a solid everyday storage solution, though its write speed and software requirements may deter some users.

SamData's 64 GB USB flash drives provide budget-friendly, rugged storage with basic USB 2.0 performance, making them suitable for everyday document and photo backups. Their slow speeds and lack of security features keep them from demanding professional use.
| Attribute | ![]() | ![]() |
|---|---|---|
256 GBbest | 64 GB | |
150 MB/sbest | 18 MB/s | |
60 MB/sbest | 8 MB/s | |
60 monthsbest | 12 months | |
| ↓ lower better | 5 gbest | 10.2 g |
| ↓ lower better | 42.4 mmbest | 57.9 mm |
| ↓ lower better | 13.2 mmbest | 19.1 mm |
| ↓ lower better | 6.6 mmbest | 9.9 mm |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Storage(1) | ||
Capacity (GB) | 256 GB | 64 GB |
Performance(2) | ||
Read Speed (MB/s) | 150 MB/s | 18 MB/s |
Write Speed (MB/s) | 60 MB/s | 8 MB/s |
Warranty(1) | ||
Warranty Period (months) | 60 months | 12 months |
Physical(5) | ||
Weight (g) | 5 g | 10.2 g |
Length (mm) | 42.4 mm | 57.9 mm |
Width (mm) | 13.2 mm | 19.1 mm |
Height (mm) | 6.6 mm | 9.9 mm |
Material | Metal | Metal/ABS plastic |
Connectivity(1) | ||
USB Interface | USB-A 3.0 | USB 2.0 |
Compatibility(1) | ||
Operating System Compatibility | Windows, macOS | Windows, Linux, macOS |

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

Retailer editors highlight the Ultra Flair's fast USB 3.0 performance, sturdy metal construction, built-in encryption and generous 5-year warranty, positioning it as a reliable mid-tier flash drive for everyday use.
Users rate the drive highly for speed, durability and security, but note slower write speeds, occasional early failures, and the need to install SecureAccess software.

“I love the quality... I would recommend it to others as well.”

“After a few weeks, the drive will not boot up.”



Everyday users praise the drives for reliable basic storage, the helpful color variety, and the rugged metal or waterproof construction. Common complaints focus on the slow write speed, the 4 GB FAT32 file-size limit, inconsistent build quality, and the absence of encryption.