SanDisk 128GB Ultra Dual Drive m3.0 for Android Devices and Computers – microUSB, USB 3.0 – SDDD3-128G-G46, Black

Photo of author
Written By esrat

Our tech inventory contains the latest and greatest tech updates, reviews, comparisons, tutorials, and gaming. 


Price: $18.99 - $13.49
(as of Jul 09, 2025 06:17:16 UTC – Details)


The SanDisk Ultra Dual Drive m3.0 makes it easy to free up space on your OTG-enabled Android smartphone and tablet(1). With a micro-USB connector on one end and a USB 3.0 connector on the other, the drive lets you move content easily between all your devices—from your Android smartphone or tablet to your laptop, PC or Mac computer(1). The high-performance USB 3.0 connector is backward-compatible with USB 2.0 ports and, with speeds of up to 150MB/s*, it allows you transfer a full-length movie to the drive faster than with a standard USB 2.0 drive(3). This flash drive for your Android devices includes the SanDisk Memory Zone app for automatic camera roll backup and easy file and media management(2). | *(32GB-256GB) Read speeds from drive to computer up to 150MB/s. (16GB only) Read speeds from drive to computer up to 130MB/s. Write speeds lower and vary by drive capacity. USB 3.0 port required. Based on internal testing; performance may be lower depending upon host device. 1MB=1,000,000 bytes. | **1GB=1,000,000,000 bytes. Actual user storage less. | (1) Requires device with On-The-Go (OTG) support. | (2) Download and installation required. | (3) Based on a 1.2GB MPEG-4 video transfer with USB 3.0 host device. Results may vary based on host device, file attributes and other factors.
Compatible devices: Samsung Galaxy S7 Edge/S7/S6 Edge/S6/S5/S4/S3, Galaxy Note 5/4/2/3/J3/J7/J8/A3/A5/A7, BLU , LG Stylo 2/3, K20/K30/K40, G4/G3/G2, HTC One M7/M8/M9/M9+/A9/E8, Motorola Turbo, G6 Play, Moto X, Moto G, Moto E, Motorola Samsung Tab 4/Tab 3/Tab A/Tab E/Tab S2/Tab Pro/Tab S and other devices with Micro USB port
Free up space on your Android Phone (Requires device with micro-USB port and On-The-Go (OTG) support. See official SanDisk website for list of compatible devices.)
Retractable design with dual microUSB and USB 3.0 connectors
High-speed USB 3.0 performance with up to 150MB/s file transfer from drive to computer (Write speeds lower and varies by capacity. Micro-USB port with USB 3.2 Gen 1 / USB 3.0 support required. Based on internal testing; performance may be lower depending upon host device, interface, usage conditions and other factors. 1MB=1,000,000 bytes.)
SanDisk Memory Zone application (available on Google Play) lets you easily manage your photos and videos (Download and installation required. Set up automatic backup within app settings. See SanDisk Memory Zone website for details.)

Customers say

Customers find the flash drive works well and appreciate its storage capacity, with one mentioning it can hold about 25-30 full-length movies. The device is easy to use, with one customer noting it takes less than 8 minutes to complete setup, and they consider it good value for money. While some customers describe it as well-made, others find it extremely flimsy, and while read speeds are excellent, write speeds are slow. The size receives mixed feedback, with some finding it convenient while others say it won’t fit in their phone.

Leave a Comment