
Kingston Digital Data Traveler Micro Duo
Score: 76/100
Lexar JumpDrive Dual Drive D400
Score: 76/100Rankings

The Kingston DataTraveler Micro Duo 32 GB is a compact metal flash drive featuring dual USB-A and USB-C connectors and fast up-to-100 MB/s read speeds. Its modest 15 MB/s write speed and limited 32 GB capacity may restrict heavy-use scenarios. Ideal for travelers and photographers needing cross-platform convenience.

Lexar's D400 128 GB dual-drive features a metal swivel housing, keyring loop, and built-in 256-bit AES encryption, delivering read speeds up to 130 MB/s. Write performance is slower and limited user reviews make reliability uncertain. Perfect for professionals requiring secure, cross-device file transfers.
| Attribute | ![]() | ![]() |
|---|---|---|
32 GB | 128 GBbest | |
100 MB/s | 130 MB/sbest | |
15 MB/s | 52 MB/sbest | |
| ↓ lower better | 28.58 g | 17.8 gbest |
5 yearsbest | 5 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Storage(1) | ||
Storage Capacity (GB) | 32 GB | 128 GB |
Performance(2) | ||
Read Speed (MB/s) | 100 MB/s | 130 MB/s |
Write Speed (MB/s) | 15 MB/s | 52 MB/s |
Connectivity(2) | ||
USB Version | USB 3.1 | USB 3.2 Gen 1 |
Interface | Dual Type-A & Type-C | USB Type-C, USB Type-A (swivel) |
General(1) | ||
OS Compatibility | Windows, macOS, Linux, Chrome OS | Android, Windows, macOS |
Build & Design(2) | ||
Weight (g) | 28.58 g | 17.8 g |
Dimensions (L×W×H) (mm) | 29.94 x 16.60 x 8.44 mm mm | 4.0x0.4x5.45 mm |
Power(1) | ||
Operating Temperature (°C) | 0-60 °C | 0-50 °C |

Products in the top-left offer the best value (high score, low price).

Professional reviewers commend the Kingston microDuo 3C for its dual-connector flexibility, solid metal build, and long warranty, noting that the USB 3.1 interface aligns with modern device standards. However, they criticize the modest 15 MB/s write speed and the limited 32 GB capacity, and they call for independent benchmark data to validate the claimed read performance.
Everyday users praise the drive's convenience, especially the ability to plug directly into both USB-A and USB-C ports without adapters, and they like its compact size and decent read speed. Recurring complaints focus on slow write speeds and the limited storage capacity, with some users wishing for more detailed specifications such as weight.

“saves the pain... with only USB C”

“good size and decent speed”

“works nice”



Tech reviewers consider the Lexar D400 a solid, secure option for users who need a durable, dual-connector flash drive. Its high read speeds and metal swivel design receive praise, while the relatively slow write performance and limited consumer feedback are noted as drawbacks.
Limited feedback; the few available sources provide no recurring praise or complaints, leaving reliability uncertain.