SanDisk Ultra 128GB Red
Score: 38/100
SanDisk Ultra Flair 256GB
Score: 74/100Rankings
The SanDisk Ultra Flair 256 GB USB-3.0 flash drive combines fast read performance with a rugged metal case and built-in encryption, making it a reliable choice for everyday portable storage. Write speeds are decent but not SSD-level, and encryption relies on optional software.
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 | 150 MB/sbest | |
100 MB/sbest | 60 MB/s | |
1 years | 5 yearsbest | |
| ↓ lower better | 13.64 g | 5 gbest |
| ↓ lower better | 10.41 mmbest | 42.4 mm |
| ↓ lower better | 21.59 mm | 13.2 mmbest |
| ↓ lower better | 56.09 mm | 6.6 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(2) | ||
Read Speed (MB/s) | 130 MB/s | 150 MB/s |
Write Speed (MB/s) | 100 MB/s | 60 MB/s |
Warranty & Support(1) | ||
Warranty Period (years) | 1 years | 5 years |
Security(2) | ||
Hardware Encryption | true | false |
Encryption Algorithm | 128-bit AES | AES |
Compatibility(1) | ||
Compatible Operating Systems | Windows, macOS, PlayStation, Xbox | Windows, macOS |
Physical(4) | ||
Weight (g) | 13.64 g | 5 g |
Length (mm) | 10.41 mm | 42.4 mm |
Width (mm) | 21.59 mm | 13.2 mm |
Height (mm) | 56.09 mm | 6.6 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”
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.
Everyday users rate the drive highly for speed, durability and security, often calling it a great value. The most common complaints revolve around slower write speeds, occasional early failures, and the need to install SecureAccess software for password protection.
