Kingston DataTraveler Micro 256GB
Score: 70/100
Lexar D400 128GB
Score: 81/100Rankings
The Lexar JumpDrive D400 128 GB offers a metal swivel design, dual USB-C/USB-A connectivity and built-in 256-bit AES encryption, making it a secure and versatile portable storage option. Real-world performance is solid for reads, but write speeds lag and occasional USB-2.0 operation can be a drawback.
The Kingston DataTraveler Micro 256 GB USB-A flash drive combines an ultra-compact metal case with USB 3.2 Gen 1 speeds, a built-in key loop, and a 5-year warranty, making it a premium plug-and-stay solution for high-capacity portable storage.
| Attribute | | |
|---|---|---|
256 GBbest | 128 GB | |
200 MB/sbest | 130 MB/s | |
20 MB/sbest | — | |
60 monthsbest | 60 monthsbest | |
| ↓ lower better | 9 gbest | 17.35 g |
| ↓ lower better | 24.95 mmbest | 60.6 mm |
| ↓ lower better | 12.2 mmbest | 16.2 mm |
| ↓ lower better | 4.5 mmbest | 9.7 mm |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Storage(1) | ||
Capacity (GB) | 256 GB | 128 GB |
Performance(1) | ||
Read Speed (MB/s) | 200 MB/s | 130 MB/s |
Physical(4) | ||
Weight (g) | 9 g | 17.35 g |
Length (mm) | 24.95 mm | 60.6 mm |
Width (mm) | 12.2 mm | 16.2 mm |
Height (mm) | 4.5 mm | 9.7 mm |
Connectivity(1) | ||
USB Interface | USB 3.2 Gen 1 | USB-C/USB-A 3.2 Gen1 |
Compatibility(1) | ||
Operating System Compatibility | Windows, macOS, Linux, Chrome OS | Android, Windows, macOS |
Products in the top-left offer the best value (high score, low price).
Professional reviewers and editors highlight the drive's efficient low-profile metal design, its USB 3.2 Gen 1 performance boost over older USB 2.0 drives, and its broad OS compatibility, positioning it as a premium plug-and-stay solution for modern computers.
Everyday users praise the drive's fast read speeds, tiny footprint, and sleek look, but many complain about lower-than-advertised write speeds, occasional premature failures, and limited durability when subjected to constant physical wear.
“lightning fast”
“solidly built”
“stopped enumerating”
Professional commentary emphasizes the Lexar D400's strong build quality, dual-connector flexibility, and cross-platform support, noting its rigorous testing and inclusion of DataShield encryption as positives. However, reviewers point out that the encryption is software-only and that the product lacks extensive third-party reviews, leaving some uncertainty about real-world performance consistency.
Everyday users generally appreciate the dual-connector design, metal durability, and keyring convenience, often noting that it works straight out of the box with Android phones and Windows PCs. Common complaints revolve around a tight USB-A connector, slower-than-expected write speeds, occasional defective units, and some drives operating at USB 2.0 speeds.
