SanDisk Ultra Dual Drive Luxe 128GB
Score: 76/100
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 SanDisk 128 GB Ultra Dual Drive Luxe combines a premium all-metal body with dual USB-C/USB-A connectors and a swivel mechanism, delivering solid read performance and a keyring-ready design. However, its write speeds are modest, it lacks built-in encryption, and it may heat up under heavy use.
| Attribute | | |
|---|---|---|
128 GBbest | 128 GBbest | |
150 MB/sbest | 130 MB/s | |
60 monthsbest | 60 monthsbest | |
| ↓ lower better | 18 g | 17.35 gbest |
| ↓ lower better | 44.5 mmbest | 60.6 mm |
| ↓ lower better | 12.2 mmbest | 16.2 mm |
| ↓ lower better | 8.6 mmbest | 9.7 mm |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Performance(1) | ||
Read Speed (MB/s) | 150 MB/s | 130 MB/s |
Security(1) | ||
Encryption Support | false | true |
Physical(5) | ||
Weight (g) | 18 g | 17.35 g |
Length (mm) | 44.5 mm | 60.6 mm |
Width (mm) | 12.2 mm | 16.2 mm |
Height (mm) | 8.6 mm | 9.7 mm |
Material | Aluminum alloy | Metal |
Connectivity(1) | ||
USB Interface | USB 3.2 Gen 1 | USB-C/USB-A 3.2 Gen1 |
Compatibility(1) | ||
Operating System Compatibility | Windows; macOS; Android | Android, Windows, macOS |
Products in the top-left offer the best value (high score, low price).
Professional reviewers highlight the drive's premium metal construction, dual-connector versatility and the convenience of eliminating adapters, but criticize the misleading 400 MB/s claim and the absence of built-in security features.
Everyday users praise the drive's solid build, keyring design and seamless file transfers between phones and computers, especially for backing up photos on the go. Recurring complaints focus on the drive heating up during large transfers, slower-than-expected write speeds, lack of encryption, and a swivel hinge that can become loose over time.
“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.
