
SanDisk Ultra Flair 128GB
Score: 64/100
SamData 128GB USB Flash Drive
Score: 39/100Rankings

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.

The SamData 128GB USB flash drive provides a low-cost, metal-cased storage solution with basic LED feedback and OTG capability, making it suitable for casual users and bulk distribution. Its USB-2.0 speeds and modest warranty keep it from competing in performance-focused segments.
| Attribute | ![]() | ![]() |
|---|---|---|
128 GBbest | 128 GBbest | |
150 MB/sbest | 20 MB/s | |
38 MB/sbest | 8 MB/s | |
1 yearsbest | 1 yearsbest | |
| ↓ lower better | 35 g | 10 gbest |
| ↓ lower better | 6.6 mmbest | 58 mm |
| ↓ lower better | 42.4 mm | 19 mmbest |
| ↓ lower better | 13.2 mm | 10 mmbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Performance(2) | ||
Read Speed (MB/s) | 150 MB/s | 20 MB/s |
Write Speed (MB/s) | 38 MB/s | 8 MB/s |
Connectivity(1) | ||
USB Interface | USB 3.0 | USB 2.0 |
Compatibility(1) | ||
Compatible Operating Systems | Windows, macOS, Linux | Windows, Linux, macOS |
Design(1) | ||
Material | Metal | metal |
Physical(4) | ||
Weight (g) | 35 g | 10 g |
Length (mm) | 6.6 mm | 58 mm |
Width (mm) | 42.4 mm | 19 mm |
Height (mm) | 13.2 mm | 10 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”




Professional tech publications have not reviewed SamData drives, likely due to their budget positioning. However, Amazon sales rankings (e.g., #5 in USB Flash Drives) indicate strong consumer adoption despite the lack of editorial coverage.
Everyday users generally appreciate the low price, sturdy metal build, and convenient OTG functionality, especially in multi-color packs for gifting or organization. Recurring complaints focus on the slow USB-2.0 speeds, unclear usable capacity, occasional boot failures, and doubts about review authenticity.