The SanDisk Ultra Dual SDDD3-128G-I35 USB 3.0 Flash Drive is a versatile storage solution with dual micro-USB and USB 3.0 connectors. Priced at ₹1,019.00, it promises high-speed performance and convenience for both mobile and computer users.
With a solid rating of 4.2 out of 5 from over 192,830 reviews, this flash drive has garnered significant attention. In this review, we’ll delve into its features, user experiences, and overall value to help you decide if it’s the right choice for your storage needs.
During my time using the SanDisk Ultra Dual USB 3.0 Flash Drive, I found it to be a reliable and efficient tool for transferring files between my devices. The retractable design and dual connectors made it easy to switch between my laptop and Android phone without any hassle.
While the device did heat up slightly during prolonged use, it did not affect its performance. The Memory Zone App provided an added layer of convenience in managing my files, although the actual storage space was slightly less than advertised, which is typical for most flash drives.
High-Speed USB 3.0 Performance

The SanDisk Ultra Dual SDDD3-128G-I35 USB 3.0 128GB Flash Drive boasts high-speed USB 3.0 performance with up to 150mbps file transfer from drive to computer. This makes it exceptionally efficient for transferring large files quickly. Users have found the speed to be consistent across various devices, providing a reliable experience whether transferring photos, videos, or documents. The USB 3.0 interface ensures backward compatibility with older USB ports, adding to its versatility.
Retractable Dual Connectors

One of the standout features of this flash drive is its retractable design with dual micro-USB and USB 3.0 connectors. This design not only protects the connectors when not in use but also adds an element of convenience. Users have noted that the dual connectors make it easy to bridge phones, tablets, and computers, eliminating the need for multiple devices to transfer files. However, some users have reported that the micro-USB connector can be a tight fit on certain mobile phones, so caution is advised.
SanDisk Memory Zone Application

The SanDisk memory zone application, available on Google Play, is another highly praised feature of this flash drive. This app allows users to easily manage their photos and videos, offering functionalities like cleaning junk files, enabling or disabling automatic backups, and adding cloud storage options. The app is user-friendly and has a simple interface, making it a valuable tool for those who need efficient file management on their Android devices. Users should be aware of the app’s terms of use, particularly regarding data sharing with government agencies for piracy investigations.
Storage Capacity and File System

While the flash drive is advertised as 128GB, users should note that the actual usable storage space is slightly less due to the FAT32 file system and the device’s functional requirements. Typically, users find around 123GB of usable space. This is standard across most storage devices and not unique to this product. For those who need to maximize storage, reformatting to NTFS or a Linux file system can offer slightly more space, but this may affect compatibility with various devices.
Build Quality and Durability

Constructed from plastic, the SanDisk Ultra Dual flash drive is lightweight and portable, weighing just 5 grams. Despite its small size, it has proven to be durable for most users, withstanding daily wear and tear. However, some users have noted that the material feels less robust compared to metal alternatives. The retractable design adds a layer of protection to the connectors, which is crucial for maintaining the device’s longevity.
Compatibility with Multiple Devices

The flash drive is designed to work seamlessly with a wide range of devices, including Android smartphones, tablets, Windows PCs, and even some smart TVs. This broad compatibility makes it a versatile tool for users who need to transfer files across different platforms. The OTG functionality is particularly useful for Android users, allowing direct connection to smartphones and tablets without the need for additional adapters or software.
Value for Money
Priced at ₹1,019.00, the SanDisk Ultra Dual flash drive offers good value for money. Users have found it to be a cost-effective solution for their storage needs, especially considering its high-speed performance and dual connectivity. While some may find the actual storage capacity slightly less than advertised, the overall features and reliability make it a worthwhile investment. It is particularly recommended for those who need a versatile and portable storage solution.
Heat Management
One issue that some users have reported is the heat generated by the flash drive during use. Even with just 10 minutes of file transfer, the metal part of the drive can become noticeably warm. While this does not seem to affect the performance, it is something to be mindful of, especially during extended use. It is a common trait among small pen drives and not unique to this model.
User Reviews and Feedback
With a product rating of 4.2 out of 5 stars based on 192,830 reviews, the SanDisk Ultra Dual flash drive is generally well-received by users. Positive reviews highlight its speed, portability, and ease of use. However, some users have expressed concerns about the tight fit of the micro-USB connector on certain devices and the actual storage capacity being less than advertised. Overall, the feedback is largely positive, with many users finding it to be a reliable and efficient storage solution.
Manufacturer and Importer Details
The SanDisk Ultra Dual flash drive is manufactured by SanDisk Storage Malaysia Sdn Bhd and imported by Rashi Peripherals Pvt. Ltd. in India. Knowing the manufacturer and importer details can be useful for users who may need to contact customer support or require warranty services. The product is made in Malaysia, and some users have expressed a preference for transparency regarding the country of origin, especially considering global trade dynamics.
Pros:
- High-speed USB 3.0 performance with up to 150mbps file transfer
- Retractable design with dual micro-USB and USB 3.0 connectors
- SanDisk Memory Zone app for easy management of photos and videos
Cons:
- Actual storage space less than advertised (123GB instead of 128GB)
- Pen drive heats up after short periods of use
- Tight fit on mobile phones, potentially causing damage
Conclusion
Overall, the SanDisk Ultra Dual USB 3.0 Flash Drive offers excellent value for money with its high-speed performance and dual connectivity. Despite minor issues like heating and slightly less storage space, it remains a top choice for users seeking a reliable and versatile storage solution.
If you’re in the market for a durable and efficient flash drive that caters to both mobile and computer users, the SanDisk Ultra Dual USB 3.0 Flash Drive is definitely worth considering. Its performance, coupled with the convenience of the Memory Zone App, makes it a standout option.
Questions & Answers:
Question: Is the storage capacity actually 128GB?
Answer: No, the actual usable storage capacity is around 123GB due to system and file system space usage.
Question: Does this pen drive work with Android smartphones?
Answer: Yes, it works with Android smartphones that support OTG functionality.
Question: Is the pen drive durable?
Answer: Yes, it is durable and has survived accidental drops without noticeable damage.