
SanDisk Phone Drive 128GB
Score: 74/100
Lexar D40E
Score: 78/100Rankings

Lexar's D40E 256 GB drive combines a dual-connector swivel metal housing with 256-bit AES encryption and strong sequential read performance. Write speeds can be inconsistent and the bulkier design reduces pocket-friendliness. Suited for photographers and videographers who value security and durability.

The SanDisk 128 GB Phone Drive for Android provides dual-ended USB-C/A connectivity and convenient backup software for Android devices. Its Android-centric features and lack of rugged specifications may limit appeal to non-Android users. Best suited for Android smartphone and tablet owners needing portable, on-the-go storage.
| Attribute | ![]() | ![]() |
|---|---|---|
128 GB | 256 GBbest | |
100 MB/s | 183 MB/sbest | |
80 MB/sbest | 45.8 MB/s | |
| ↓ lower better | 13.6 gbest | 26 g |
2 years | 3 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Storage(1) | ||
Storage Capacity (GB) | 128 GB | 256 GB |
Performance(2) | ||
Read Speed (MB/s) | 100 MB/s | 183 MB/s |
Write Speed (MB/s) | 80 MB/s | 45.8 MB/s |
Connectivity(1) | ||
Interface | USB Type-C, USB Type-A | USB Type-A, USB Type-C |
General(1) | ||
Warranty (years) | 2 years | 3 years |
Build & Design(2) | ||
Weight (g) | 13.6 g | 26 g |
Dimensions (L×W×H) (mm) | 50.0×15.5×8.6 mm mm | 0.6693x0.4724x2.7559 mm |
Power(1) | ||
Operating Temperature (°C) | 0-35 °C | 0-50 °C |
Software(1) | ||
Included Software | Memory Zone app, RescuePRO Deluxe | Encryption software |


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

Professional editors describe the SanDisk Phone Drive as a convenient, portable storage solution that excels in Android environments thanks to its fast read performance, dual-ended connectors, and bundled backup and recovery software.
No direct user reviews were found in the research, but product listings indicate strong demand and suggest that consumers value the plug-and-play backup capability and fast read speeds for mobile workflows.

Professional reviewers commend the Lexar D40E for its dual-connector convenience, sturdy metal swivel construction, and solid sequential read performance that meets the needs of photographers and videographers. However, they criticize its weak random write speeds and occasional inability to consistently hit the advertised 100 MB/s read rate, noting that the bulkier swivel mechanism makes it less sleek than competing models.
Everyday users generally like the plug-and-play ease, large 256 GB capacity, and rugged swivel design, calling it a handy on-the-go solution. Recurring complaints focus on slower-than-advertised write speeds and occasional compatibility issues with older devices.
“Convenient swivel for no-cap loss and quick large-file moves.”

“Slower-than-expected writes for videos/documents and occasional compatibility hiccups on older devices.”


