
SanDisk Ultra Flair 128GB
Score: 64/100
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 SanDisk Ultra Flair 128 GB USB-3.0 flash drive delivers fast read performance in a compact metal body with built-in encryption. It is well suited for read-heavy tasks but its sustained write speed and heat generation limit heavy write workloads.
| Attribute | ![]() | ![]() |
|---|---|---|
128 GB | 256 GBbest | |
150 MB/sbest | 150 MB/sbest | |
38 MB/s | 60 MB/sbest | |
1 years | 5 yearsbest | |
| ↓ lower better | 35 g | 5 gbest |
| ↓ lower better | 6.6 mmbest | 42.4 mm |
| ↓ lower better | 42.4 mm | 13.2 mmbest |
| ↓ lower better | 13.2 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(1) | ||
Write Speed (MB/s) | 38 MB/s | 60 MB/s |
Warranty & Support(1) | ||
Warranty Period (years) | 1 years | 5 years |
Compatibility(1) | ||
Compatible Operating Systems | Windows, macOS, Linux | Windows, macOS |
Physical(4) | ||
Weight (g) | 35 g | 5 g |
Length (mm) | 6.6 mm | 42.4 mm |
Width (mm) | 42.4 mm | 13.2 mm |
Height (mm) | 13.2 mm | 6.6 mm |

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

Professional reviewers praise the Ultra Flair for its near-advertised read speeds, solid metal construction and useful security features, but criticize its slow sustained write speeds, limited cache and the fact that its performance falls short of newer SSD-based USB drives.
Everyday users love the drive's fast reads, durable metal look and cross-platform plug-and-play convenience, but many complain about heating, occasional failures after a year, the tiny form factor leading to loss, and write speeds that don't match advertised claims.

“Great for video projects”

“Works perfectly with MacBook and Windows”

“Durable and stylish”




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.