Kingston Ironkey Locker+ 50 32GB
Score: 43/100
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.
A 32 GB encrypted USB flash drive with FIPS-certified hardware encryption, metal construction and built-in cloud backup. It offers strong security features but requires specific Windows drive-letter configuration and lacks password recovery.
| Attribute | | |
|---|---|---|
32 GB | 128 GBbest | |
145 MB/sbest | 130 MB/s | |
115 MB/sbest | — | |
60 monthsbest | 60 monthsbest | |
| ↓ lower better | 20 g | 17.35 gbest |
| ↓ lower better | 60.56 mmbest | 60.6 mm |
| ↓ lower better | 18.6 mm | 16.2 mmbest |
| ↓ lower better | 9.6 mmbest | 9.7 mm |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Storage(1) | ||
Capacity (GB) | 32 GB | 128 GB |
Performance(1) | ||
Read Speed (MB/s) | 145 MB/s | 130 MB/s |
Physical(4) | ||
Weight (g) | 20 g | 17.35 g |
Length (mm) | 60.56 mm | 60.6 mm |
Width (mm) | 18.6 mm | 16.2 mm |
Height (mm) | 9.6 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 | Android, Windows, macOS |
Products in the top-left offer the best value (high score, low price).
Professional reviewers commend the LP50 for its robust, FIPS-certified hardware encryption, user-friendly passphrase mode, and the convenience of built-in USBtoCloud backup, noting that the mandatory drive-letter allocation and absence of any password-recovery option may hinder less-technical users.
Everyday users appreciate the drive's straightforward plug-and-play setup, the confidence of hardware encryption, and the practical metal design with a key loop. Common frustrations revolve around Windows drive-letter conflicts, permanent data loss if passwords are forgotten, occasional slower write performance, and the device warming up.
“coolest USB flash drive”
“is 2.0”
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.
