SanDisk Ultra Flair 256GB
Score: 79/100
Techkey USB Flash Drive 128GB
Score: 79/100Rankings
The SanDisk Ultra Flair 256 GB USB 3.0 flash drive delivers high read performance and a rugged metal case with a 5-year warranty. It lacks a USB-C interface and does not specify write speeds, which may affect some users. Best for users who need fast, reliable storage on devices with USB-A ports.
The Techkey 128 GB MFi-certified flash drive offers versatile three-in-one connectivity and a rugged metal build, delivering fast USB 3.0 speeds. Its main drawbacks are the mandatory iOS app and the lack of detailed size/weight specs. Ideal for travelers and iOS users who need a durable, cross-platform backup solution.
| Attribute | | |
|---|---|---|
256 GBbest | 128 GB | |
150 MB/sbest | 80 MB/s | |
— | 40 MB/sbest | |
| ↓ lower better | 4.5 gbest | — |
5 yearsbest | 2 years |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Storage(1) | ||
Storage Capacity (GB) | 256 GB | 128 GB |
Performance(1) | ||
Read Speed (MB/s) | 150 MB/s | 80 MB/s |
Connectivity(1) | ||
Interface | USB Type-A | USB 3.0, Lightning, USB-C |
General(2) | ||
Warranty (years) | 5 years | 2 years |
OS Compatibility | Windows, macOS | iOS, Android, macOS, Windows |
Build & Design(1) | ||
Dimensions (L×W×H) (mm) | 42.93×12.95×7.11 mm mm | 3.94 x 0.03937 x 5.43 inches mm |
Software(1) | ||
Included Software | SanDisk SecureAccess | BLANBOK+, U‑Disk |
Products in the top-left offer the best value (high score, low price).
Professional reviewers commend the Ultra Flair 256GB for its high read speed, rugged metal construction, and SecureAccess encryption, noting it handles 4K movie transfers in seconds.
Everyday users generally express satisfaction with the drive's speed, durability, and compactness, frequently highlighting the convenience of password protection.
“USB 3.0 speed is very fast on computers.”
“NWT, ideal for travel.”
Professional reviewers highlight the drive's very fast USB 3.0 performance and the convenience of having Lightning, USB-C and USB 3.0 ports in a single, rugged package, while noting that the mandatory BLANBOK+ app on iOS adds a setup step and that independent testing is limited.
Everyday users praise the drive for quick, one-click backups and seamless cross-platform file transfers, especially while traveling, and they value the durable metal build; no major complaints are repeatedly mentioned beyond the required app for iOS.
