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SanDisk Ultra Dual Drive m3.0 128GB Black — Review & Specs | Pricepect | Pricepect

Home USB Flash DrivesSanDisk Ultra Dual Drive m3.0 128GB Black

SanDisk Ultra Dual Drive m3.0 128GB Black — image 1

SanDisk

SanDisk Ultra Dual Drive m3.0 128GB Black

Expert Review Analysis

The SanDisk 128GB Ultra Dual Drive m3.0 is a retractable flash drive featuring both micro‑USB and USB 3.0 connectors for seamless file transfers between OTG‑enabled Android devices and computers. It offers up to 150 MB/s read speeds, cross‑platform compatibility, and includes the SanDisk Memory Zone app for easy backup and storage management.

✓ Best for: Android users with OTG‑enabled smartphones or tablets who need fast, direct transfers of photos, videos, or large files to Windows or macOS computers—especially photographers and videographers looking to free phone storage quickly.✗ Not ideal for: Owners of devices without OTG support, users who rely on USB‑C ports, or anyone requiring consistently high write speeds for large data backups.

Pros

✓Read speeds up to 150 MB/s enable rapid transfer of large video and photo files.
✓Dual connectors (micro‑USB and USB 3.0) allow direct Android‑to‑PC file movement without adapters.
✓

Price History

Current

$23.99

Average

$12.63

Lowest

$7.83

Highest

$24.85

Price trend (90d):+41.2%

Best Seller Rank History

Now#353Best#353Worst#353

Lower = better sales rank

Rating Trend

Rating4.3/ 5Reviews34,293+90 reviews

Specifications

Connectivity

InterfaceDual connectors – micro-USB and USB 3.0

USB StandardUSB 3.0 (backward compatible USB 2.0)

OTG SupportYes

Design

Height0.49 in mm

Width1.0 in mm

Length1.19 in mm

General

BrandSanDisk

ManufacturerWestern Digital Technologies Inc.

ModelSDDD3-128G-G46

ColorBlack

Release Date2017-09-14

Performance

Read SpeedUp to 150 MB/s MB/s

Write SpeedVariable, lower than read

Software

Included SoftwareSanDisk Memory Zone app

Storage

Capacity128 GB GB

Dimensions & Weight

Height0.49 inches

Width1.0 Inches

Depth1.19 Inches

Weight0.011464 pounds

Research Sources

bhphotovideo.com

makotekcomputers.com

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User Reviews

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4.3

(34,293 reviews)

$23.99

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SDDD3-128G-G46black128 GB 5 Year

USB Flash Drives

SanDisk Memory Zone app provides automatic backup and easy space‑freeing on OTG‑enabled Android devices.

✓Five‑year limited warranty adds confidence in long‑term reliability of the drive.

✓Backward compatibility with USB 2.0 ensures the drive works on older computers and hubs.

✓Supports Windows 7/8/10 and macOS 10.9+ for cross‑platform usage.

Cons

✗Write speeds are noticeably slower than the advertised 150 MB/s read speed, affecting large file copies.
✗The drive only works with Android devices that support OTG, limiting use for non‑OTG phones or tablets.
✗No dimensions or weight information are provided, making it hard to assess portability.
✗Absence of durability testing data leaves uncertainty about resistance to drops or water.
✗Lack of USB‑C connector means the product is less suitable for newer smartphones that have dropped micro‑USB.

From Expert Reviews

Praised by Experts

✓Adorama highlights the rapid 150 MB/s transfer rate as a key performance advantage.
✓B&H emphasizes the dual‑connector OTG design as a convenient solution for Android users.

Criticized by Experts

✗Professional reviews are scarce, providing little independent verification of real‑world performance.

From User Reviews

Users Love

✓Consumers appreciate the ability to quickly back up phone photos and videos directly to a PC.
✓Users find the dual‑connector design eliminates the need for separate cables when moving files.
✓The included Memory Zone app is praised for simplifying storage management on Android devices.

Users Complain About

✗Some users report that actual transfer speeds fall short of the 150 MB/s claim in everyday use.
✗The requirement for an OTG‑compatible Android device is a frequent source of frustration.
✗Lack of explicit durability claims leads to concerns about long‑term wear and tear.

Expert Opinion

Professional outlets such as Adorama and B&H focus on the drive's fast 150 MB/s read performance and its dual‑connector OTG design, noting that it fills a niche for legacy micro‑USB Android devices while offering reliable cross‑platform compatibility. However, the scarcity of in‑depth reviews leaves some uncertainty about durability and real‑world write speeds.

What Users Say

Everyday users generally praise the convenience of moving large media files between Android phones and computers without extra adapters, and they value the Memory Zone app for automated backups. Recurring concerns revolve around slower write speeds, the necessity of an OTG‑capable device, and the lack of clear durability information.

Common Complaints

Real‑world transfer speeds sometimes fall below the advertised 150 MB/s, the drive requires an OTG‑compatible Android device, and there is no published durability testing or weight/size information.

What People Are Saying

“Super‑fast transfers (up to 150 MB/s, faster than USB 2.0 for movies/photos).”
Product page

“Frees Android storage via OTG and app.”
Product description

How It Compares

The Ultra Dual Drive m3.0 stands out in its niche by offering a micro‑USB connector for legacy Android devices combined with USB 3.0 speeds, whereas newer USB‑C/USB‑A hybrid drives provide higher transfer rates but lack compatibility with older micro‑USB phones. Its 150 MB/s read speed outperforms typical USB 2.0 OTG drives, but it trails USB‑C models that can reach 400 MB/s.

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