
SanDisk Phone Drive 256GB
Score: 65/100
Amazon Basics Dual-Port 256GB
Score: 58/100Rankings

The SanDisk 256 GB Phone Drive for Android provides dual-connector USB-C/USB-A connectivity for Android phones and PCs, offering reliable 100 MB/s reads and automatic backup via the Memory Zone app, but its slower writes and lack of encryption limit its appeal for power users.

The Amazon Basics 256 GB dual-port flash drive extends the same metal, rotating design as the 128 GB model, offering double the storage while maintaining fast read performance. It remains a budget-friendly option for cross-device transfers but still lacks encryption and detailed write-speed data.
| Attribute | ![]() | ![]() |
|---|---|---|
256 GBbest | 256 GBbest | |
100 MB/s | 400 MB/sbest | |
40 MB/sbest | — | |
24 monthsbest | 12 months | |
| ↓ lower better | 13.6 gbest | 18 g |
| ↓ lower better | 70 mmbest | 71.9 mm |
| ↓ lower better | 18 mmbest | 66 mm |
| ↓ lower better | 11 mmbest | 17 mm |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Performance(1) | ||
Read Speed (MB/s) | 100 MB/s | 400 MB/s |
Warranty(1) | ||
Warranty Period (months) | 24 months | 12 months |
Physical(5) | ||
Weight (g) | 13.6 g | 18 g |
Length (mm) | 70 mm | 71.9 mm |
Width (mm) | 18 mm | 66 mm |
Height (mm) | 11 mm | 17 mm |
Material | Plastic | Metal |
Compatibility(1) | ||
Operating System Compatibility | Android, Windows, macOS | Windows, macOS, Linux, Android |

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

Professional reviewers praise the drive's practicality for Android users, noting solid build and the added value of RescuePRO Deluxe and a 5-year warranty, while pointing out that its 100 MB/s read speed lags behind faster competitors.
Everyday users rate the drive positively for ease of use and keyring design, but commonly complain about slow write speeds, occasional app crashes, and mounting issues on certain Android devices.

“Perfect for freeing up space on my Samsung Galaxy.”

“Love the keyring - I always have it with me.”

“Transfers full HD videos in seconds.”




Professional reviewers commend the drive's dual-connector design, high read speed, and sturdy metal case, while noting the lack of official write-speed data and absence of waterproof or shock-proof ratings.
Everyday users praise the fast large-file transfers, solid metal build, and hassle-free switching between USB-A and USB-C, but complain about slower write performance and missing encryption.