SanDisk Ultra Flair 128GB
Score: 64/100
SanDisk Ultra Dual Drive 128GB
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 Ultra Dual Drive 128 GB offers a sturdy metal body with both USB-A and USB-C connectors, delivering fast reads and a convenient keyring loop. Lack of native encryption and modest write speeds make it better suited for occasional transfers than heavy-write tasks.
| Attribute | | |
|---|---|---|
128 GBbest | 128 GBbest | |
150 MB/sbest | 150 MB/sbest | |
38 MB/sbest | 30 MB/s | |
1 years | 5 yearsbest | |
| ↓ lower better | 35 g | 9.07 gbest |
| ↓ lower better | 6.6 mmbest | 9.4 mm |
| ↓ lower better | 42.4 mm | 38.1 mmbest |
| ↓ lower better | 13.2 mmbest | 20.07 mm |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Performance(1) | ||
Write Speed (MB/s) | 38 MB/s | 30 MB/s |
Connectivity(1) | ||
USB Interface | USB 3.0 | USB 3.1 Gen 1 |
Warranty & Support(1) | ||
Warranty Period (years) | 1 years | 5 years |
Compatibility(1) | ||
Compatible Operating Systems | Windows, macOS, Linux | Windows, macOS, Android |
Physical(4) | ||
Weight (g) | 35 g | 9.07 g |
Length (mm) | 6.6 mm | 9.40 mm |
Width (mm) | 42.4 mm | 38.10 mm |
Height (mm) | 13.2 mm | 20.07 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”
Reviewers appreciate the dual-connector design and premium metal chassis, but note the absence of built-in encryption and occasional speed inconsistencies.
Users praise the fast photo transfers and premium feel, while complaining about slower writes and a swivel that can become loose.
