Lexar D400 128GB
Score: 81/100
SSK Dual USB-C 128GB
Score: 89/100Rankings
The SSK 128 GB dual-head flash drive delivers SSD-level speeds in a rugged metal case, offering USB-C and USB-A 3.2 Gen2 connectivity and extensive OS support. Its durability features make it ideal for creators on the move, though its size and occasional speed throttling near capacity are trade-offs.
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.
| Attribute | | |
|---|---|---|
128 GBbest | 128 GBbest | |
130 MB/s | 550 MB/sbest | |
— | 520 MB/sbest | |
60 monthsbest | — | |
| ↓ lower better | 17.35 gbest | 37 g |
| ↓ lower better | 60.6 mmbest | 78 mm |
| ↓ lower better | 16.2 mmbest | 20.5 mm |
| ↓ lower better | 9.7 mm | 8.6 mmbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Performance(1) | ||
Read Speed (MB/s) | 130 MB/s | 550 MB/s |
Physical(5) | ||
Weight (g) | 17.35 g | 37 g |
Length (mm) | 60.6 mm | 78 mm |
Width (mm) | 16.2 mm | 20.5 mm |
Height (mm) | 9.7 mm | 8.6 mm |
Material | Metal | Zinc alloy |
Connectivity(1) | ||
USB Interface | USB-C/USB-A 3.2 Gen1 | USB-C/USB-A 3.2 Gen2 |
Compatibility(1) | ||
Operating System Compatibility | Android, Windows, macOS | Windows, macOS, Linux, Android, iOS |
Products in the top-left offer the best value (high score, low price).
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.
Professional reviewers highlight the SSK SD301 as a rare flash drive that delivers SSD-class throughput while offering a dual-head USB-C/USB-A design, making it ideal for creators who need to move large media files between phones and laptops.
Everyday users consistently praise the drive's blazing fast transfers and sturdy feel, calling it "very handy for video editing" and noting flawless operation with iPhone 15 and MacBook.
“coolest USB flash drive”
“is 2.0”
“Fast transfer speeds”
