Review Article: SanDisk Ultra 128GB microSDXC UHS-I Memory Card

Introduction

In an age where smartphones come equipped with high-resolution cameras and apps that demand significant storage capacity, the need for a reliable and high-performing memory card has never been greater. The SanDisk Ultra 128GB microSDXC UHS-I memory card promises to deliver speed, capacity, and reliability, catering to the varied needs of today’s smartphone users. This review aims to delve into the card’s specifications, performance, and overall value, alongside its unique features such as a 10-year warranty.

Key Specifications

The SanDisk Ultra 128GB microSDXC UHS-I memory card comes with the following notable specifications:

• Capacity: 128GB
• Speed Class: UHS Speed Class 1 (U1)
• Read Speed: Up to 140MB/s
• Video Speed Class: V10
• Dimensions: 11.0mm x 15.0mm x 1.0mm
• Warranty: 10 years limited warranty

These technical specifications position the card as a versatile option for users looking to expand the storage of their smartphones, tablets, and other compatible devices.

Performance

Speed and Efficiency

With a read speed of up to 140MB/s, the SanDisk Ultra microSDXC card excels in data transfer speeds. This prompt read speed ensures quick access to files, making it ideal for transferring large batches of photos, videos, and documents. The UHS-I rating also guarantees a reliable performance for recording and playing back videos, especially in Full HD.

In practical terms, users reported exceptional performance when capturing 4K video and high-resolution images on smartphones. The card’s U1 classification suggests that it is suitable for video recording in standard formats without lag or buffer issues, making it a good choice for enthusiastic videographers.

Reliability

The SanDisk Ultra microSD card stands out for its durability. Engineered to withstand extreme conditions, including temperature fluctuations, water, shock, and x-rays, users can have confidence that their data is protected. This ruggedness makes it not only suitable for casual use but also for adventurous individuals seeking to document their experiences without fear of damaging their memory card.

Compatibility

One of the significant advantages of SanDisk’s Ultra microSD card is its broad compatibility. It works seamlessly with a variety of smartphones, tablets, and other devices that support microSDXC cards. This flexibility ensures that users from different ecosystems, such as Android and Windows, can benefit from the card without any compatibility concerns. Additionally, the card can also be used with compatible cameras and drones, further enhancing its utility.

Warranty and Customer Support

The 10-year limited warranty offered by SanDisk is a standout feature for this memory card. A long warranty period not only underscores the manufacturer’s confidence in their product but also provides peace of mind to users. Should any issues arise, SanDisk’s robust customer support system is typically reliable, which further enhances the overall user experience.

Value for Money

Priced competitively within its category, the SanDisk Ultra 128GB microSDXC card offers substantial value for users looking for quality storage solutions. Considering the performance, durability, and lengthy warranty, this memory card presents a smart investment for anyone in need of extra storage for their devices.

Conclusion

In summary, the SanDisk Ultra 128GB microSDXC UHS-I memory card emerges as a dependable, high-performance solution for expanding storage needs. With impressive read speeds, exceptional durability, extensive compatibility, and the assurance of a 10-year warranty, it is well-suited for a wide range of users—from casual smartphone photographers to dedicated content creators. If you’re considering upgrading your device’s storage, the SanDisk Ultra 128GB microSD card is undoubtedly worth your consideration.

Price: ₹999 - ₹899.00
(as of Feb 28, 2025 17:56:31 UTC – Details)

From the manufacturer

SanDisk Ultra microSD UHS-I card

The SanDisk Ultra microSD UHS-I card gives you the freedom to shoot, save, and share more than ever before. Available in capacities up to 1TB(1), our SanDisk Ultra microSD card is perfect for recording and watching Full HD video (4), with room for even more hours of video. Transfer speeds of up to 150MB/s(2) [256GB-1TB] help you move your content blazingly fast—up to 1000 photos in just one minute.(6) Ideal for Android-based smartphones and tablets, this card’s A1 rating means that you can load apps faster too.(3)

At a Glance Ideal storage for Android smartphones and tablets Up to 1TB(1) to store even more hours of Full HD video(4) Up to 140MB/s(2) transfer speeds to move up to 1000 photos per minute(6) Load apps faster with A1-rated performance(3) Class 10 for Full HD video recording and playback(4) Compatible with SanDisk MobileMate USB 3.0 microSD card reader(7)

Ideal for Android Smartphones and Tablets

SanDisk Ultra microSDHC and microSDXC UHS-I card cards are compatible with Android smartphones and tablets.

Capture and Store Even More Hours of Full HD Video(4)

With capacities of up to 1TB(1), you can store even more hours of Full HD video(4) on the card and still have room for the videos, photos, music, movies, and other files you want to shoot, save, and share.

Move Content Fast

Blazing transfer speeds of up to 140MB/s(2) [64GB-128GB] let you transfer up to 1000 photos in a minute.(6)

Load Apps Faster with A1-Rated Performance(3)

Rated A1, the SanDisk Ultra microSD card is optimized for apps, delivering faster app launch and performance that provides a better smartphone experience.

SanDisk Memory Zone App for Easy File Management(5)

Available from the Google Play store, the SanDisk Memory Zone app lets you view, access, and back up your phone’s files in one location. It can also automatically move files from your device to your memory card to free up space.

Compatible with MobileMate USB 3.0 Reader(7)

Use with the MobileMate USB 3.0 microSD card reader so you can move big files fast, move a lot of files fast, or just make frequent file transfers that much quicker.

Legal Disclaimers

Not all devices support microSD memory card formats. Check with your device manufacturer for more details.

1) 1GB=1,000,000,000 bytes. 1TB=1,000,000,000,000 bytes. Actual user storage less. (2) Speeds vary by capacity. [64GB-128GB] Up to 140MB/s read speed, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, require compatible devices capable of reaching such speed. Write speeds lower. Based on internal testing; performance may be lower depending on host device, interface, usage conditions, and other factors. 1MB=1,000,000 bytes. (3) A1 performance is 1500 read IOPS, 500 write IOPS. Based on internal testing. Results may vary based on host device, app type, and other factors. (4) Full HD (1920×1080) video support may vary based upon host device, file attributes, and other factors. See official SanDisk website. (5) Download and installation required. See official SanDisk website. (6) Based on internal testing on images with an average file size of 3.55MB (up to 3.7GB total) with USB 3.0 reader. Your results will vary based on host device, file attributes, and other factors. (7) Reader sold separately.

SanDisk, the SanDisk logo, Memory Zone, MobileMate, and SanDisk Ultra are registered marks or marks of Western Digital Corporation or its affiliates in the US and/or other countries. The microSD, microSDHC, and microSDXC marks and logos are marks of SD-3C, LLC. Android and Google Play are marks of Google LLC. The Android robot is reproduced or modified from work created and shared by Google and used according to terms described in the Creative Commons 3.0 Attribution License. All other marks are the property of their respective owners. Product specifications subject to change without notice. Pictures shown may vary from actual products.

2022 Western Digital Corporation or its affiliates. All rights reserved.

Western Digital Technologies, Inc. is the seller of record and licensee in the Americas of SanDisk products.

Expand your storage in a flash: ideal for Android smartphones and tablets, Chromebooks, and Windows laptops.
Up to 140MB/s transfer speeds to move up to 1000 photos per minute
Load apps faster with A1-rated performance
View, access, and back up your phone’s files in one location with the SanDisk Memory Zone app
Relax knowing your card is backed by a 10-year limited warranty by SanDisk
Compatible with SanDisk MobileMate USB 3.0 microSD card reader