Search  for anything...
Amazon Basics

Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 128GB, Black

Based on 98,297 reviews
Condition: New
Checking for the best price...
$35.14
Save $34.84 was $69.98

Buy Now, Pay Later

As low as $8 / mo
  • – 4-month term
  • – No impact on credit to apply
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout.

Payment plans are offered through our trusted finance partners Klarna, Affirm, Afterpay, Zip, Apple Pay, and Google Pay. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Selected Option

Free shipping on this product

FREE 30-day refund/replacement

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

Availability: Only 3 left in stock, order soon!
Fulfilled by Amazon
Arrives Tuesday, Nov 3
Order within 3 hours and 28 minutes

Available payment plans shown during checkout

Protect Your Purchase

Easy claims online, fast replacements, no fees

Checking for protection plans...

Recently Viewed

At a glance

Condition
New
Style
128GB
Capacity
128 GB
Model
LSMICRO128GU3
Dimensions
0.04"D x 0.59"W x 0.43"H
Weight
8.02 g
Color
Black
Warranty
12 months
Works with
Camera, Drone, Laptop, Smartphone, Tablet

Features 5

  • Compatible with Nintendo Switch (NOT Nintendo Switch 2). Always check your device's max supported capacity.
  • Reliable Real-World Capacity - Labeled Capacities/Usable Capacities: 64GB/58GB; 128GB/116GB; 256GB/232GB; 512GB/465GB; 1TB/908GB (Due to OS formatting and binary/decimal calculation differences)
  • 4K & Full HD Ready Optimized for high-bitrate video recording and burst-mode photography. Handles RAW files, time-lapse sequences, and smooth 4K UHD playback without lag or frame drops.
  • UHS-I U3 + A2 Certified Speed Up to 100MB/s read speed (lab-tested); meets Video Speed Class V30 and Application Class A2 for fast app loading, responsive multitasking, and reliable performance on Android devices.

Description

An Amazon Brand. From the Manufacturer Amazon Basics

Specs 18

Model Name LSMICRO128GU3
Flash Memory Type Micro SDXC
Memory Storage Capacity 128 GB
Additional Features Magnetic Proof
Read Speed 100 MB/s
Media Speed 60 MB per second
Hardware Connectivity microSDXC
Secure Digital Association Speed Class Class 10

Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, Nov 3

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • Zip Pay in 4
  • Financing through Apple Pay
  • Financing through Google Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Similar Products

Top Amazon Reviews

Easy to use
Style: 128GB Capacity: 128 GB
If you're in need of a **reliable, high-performance memory card** that delivers exceptional speed, storage capacity, and seamless compatibility across a variety of devices, look no further than the **Amazon Basics Micro SDXC Memory Card with Full Size Adapter**. This memory card is a **game-changer** for anyone who relies on fast and efficient data storage. Whether you're an **avid photographer**, a **content creator**, or simply someone who needs more space for your mobile device, this memory card will exceed your expectations and then some. ### **Incredible Speed & Performance:** The **A2 rating** and **U3 speed class** are immediately noticeable in the performance of this memory card. If you’re using it in your smartphone, tablet, or camera, you’ll experience **lightning-fast data transfer speeds** that make your workflow smoother than ever. With a **read speed of up to 100 MB/s**, loading apps, photos, videos, and games becomes **instantaneous**, dramatically reducing lag or buffering times. For anyone who works with **4K video**, **high-resolution photos**, or large game files, this card ensures that you’ll have no trouble capturing, storing, or accessing your data. Even running heavy-duty applications or games on your device feels responsive, as this card can handle the demand without breaking a sweat. This kind of speed is perfect for those who need quick, uninterrupted performance in demanding tasks. ### **A2 App Performance:** What sets this memory card apart is its **A2 app performance rating**. This means that not only does it handle large media files with ease, but it’s also capable of running and **launching apps directly from the card** with **outstanding efficiency**. If you're using your phone or tablet for gaming, productivity apps, or streaming media, you can rely on this card to keep up with all of your needs, making your device feel faster and more responsive. Apps and games load quicker, reducing waiting times and improving your overall user experience. ### **Unmatched Storage Capacity:** With a wide range of storage options, the **Amazon Basics Micro SDXC Memory Card** ensures that you have enough room for everything. Whether you’re **storing thousands of high-quality photos**, **hours of video**, or **gigabytes of music**, this card has you covered. The additional **full-size adapter** makes it easy to use the card with a wide array of devices, from **cameras** and **tablets** to **laptops** and **gaming consoles**, further enhancing its versatility. No more worrying about running out of space or transferring files from one device to another—this card lets you store everything you need in one compact, reliable place. ### **Durability & Reliability:** When it comes to memory cards, reliability is key, and Amazon Basics ensures that this card doesn’t disappoint. Built to withstand the rigors of everyday use, this card is **shockproof**, **waterproof**, **temperature proof**, and **X-ray proof**, making it ideal for anyone who uses their devices on the go or in extreme conditions. Whether you're **traveling**, **outdoor adventuring**, or simply need a card that will hold up over time, this memory card will continue to work flawlessly in all environments. The peace of mind knowing that your data is safe and protected is invaluable. I’ve used this card in various devices without any issues, and it has reliably handled everything I’ve thrown at it. From transferring important files to backing up photos and videos, this card has been consistently **trustworthy**. ### **Ease of Use:** The **full-size adapter** included with the microSD card makes it incredibly easy to use in devices with **full-size SD card slots**. It takes only seconds to insert the card into the adapter and use it in cameras, laptops, or other SD-compatible devices. Whether you're **backing up files**, **moving data**, or using it as a secondary storage option, the ease of use is one of the key features that makes this card stand out from the competition. Additionally, the **plug-and-play functionality** means you don’t have to install any complicated software or drivers—simply insert the card, and you’re good to go. It’s an intuitive, hassle-free experience that saves you time and frustration. ### **Exceptional Value for Money:** When it comes to memory cards, performance often comes with a hefty price tag. However, Amazon Basics offers this high-performance **Micro SDXC Memory Card** at an incredibly competitive price point. Considering the **speed**, **capacity**, and **durability** of the card, it delivers outstanding value for money. This is the type of product where you get way more than you pay for, offering **premium features** without the **premium price**. ### **Conclusion:** The **Amazon Basics Micro SDXC Memory Card with Full Size Adapter** is a **must-have accessory** for anyone who requires fast, reliable storage for their devices. With its **exceptional speed**, **high-capacity storage**, **A2 app performance**, and **durability**, it is an essential tool for photographers, content creators, gamers, and anyone who relies on mobile technology. It provides excellent value for money while offering peace of mind in terms of data protection and reliability. Whether you're using it for everyday use or high-demand tasks, this memory card delivers **flawless performance**, ensuring that your data is safe and easily accessible. Highly recommended for anyone in need of **superior storage at an unbeatable price**! ... show more
Reviewed in the United States on January 2, 2025 by Batman
Reliable Performance and Exceptional Value: Amazon Basics 128GB Micro SDXC Memory Card Review
Style: 128GB Capacity: 128 GB
In the ever-growing world of digital storage, finding a memory card that balances performance, reliability, and affordability can be a challenge. The Amazon Basics 128GB Micro SDXC Memory Card with Full Size Adapter rises to this challenge, offering a solution that meets the needs of both casual users and tech enthusiasts alike. Impressive Speed and Performance Equipped with a Class 10 UHS-I U3 speed rating, this memory card delivers fast read and write speeds, making it ideal for a variety of applications. Whether you're capturing high-resolution photos, recording 4K Ultra HD videos, or running apps directly from the card on your smartphone or tablet, the card handles tasks smoothly without lag. In my tests, it consistently achieved read speeds of up to 100 MB/s and write speeds close to 60 MB/s, rivaling more expensive brands in the market. Versatility with Full-Size Adapter The inclusion of a full-size SD adapter adds a layer of versatility that's highly appreciated. This feature allows for seamless compatibility with a broader range of devices, such as DSLRs, camcorders, laptops, and even some gaming consoles. Transitioning files between devices is hassle-free, making it a convenient choice for photographers and videographers who switch between equipment frequently. Robust and Durable Design Durability is a critical factor for memory cards, especially for those who use them in demanding environments. The Amazon Basics memory card is built to withstand tough conditions—it is waterproof, shockproof, temperature-proof, and X-ray-proof. This ruggedness ensures that your valuable data remains safe during travel, outdoor adventures, or daily commuting. Ample Storage Capacity With 128GB of storage, this card provides ample space to store thousands of photos, hours of video footage, or a vast library of apps and games. This capacity is particularly beneficial for devices with limited internal storage, effectively expanding their usability and lifespan. Ease of Use and Reliability Setting up and using the card is straightforward—simply insert it into your device, and it's ready to go. The card maintains consistent performance over time, which speaks to its reliability. I have used it extensively over the past few weeks without encountering any data corruption or loss, which can be a concern with lower-quality memory cards. Cost-Effective Solution One of the most compelling aspects of this memory card is its affordable price point. It offers features and performance comparable to premium brands but at a fraction of the cost. This affordability makes it an excellent option for students, professionals, and anyone looking to expand their device's storage without making a significant investment. Considerations Device Compatibility: While it works with most devices that support micro SDXC cards, it's advisable to check your device's maximum supported memory capacity to ensure compatibility. Write Speed for Professional Use: For professional videographers capturing high-bitrate 4K footage, the write speeds are sufficient but might not match the performance of specialized high-end cards designed for that purpose. Conclusion The Amazon Basics 128GB Micro SDXC Memory Card with Full Size Adapter is a dependable and efficient storage solution that doesn't break the bank. Its combination of speed, durability, and generous capacity makes it suitable for a wide range of uses—from expanding your smartphone's storage to serving as a reliable medium for your digital camera. This memory card stands as a testament to how quality and affordability can go hand in hand, making it a smart purchase for anyone in need of additional storage space. ... show more
Reviewed in the United States on November 27, 2024 by Brandon C
Good quality
Style: 128GB Capacity: 128 GB
I’m very satisfied with this product. The quality is excellent, it works exactly as described, and it feels well-made and reliable. It arrived in good condition and was easy to use. Overall, it’s a great product for the price, and I would definitely recommend it to others.
Reviewed in the United States on September 2, 2026 by Victor
Miles of Memory in a Small Red Field
Style: 128GB Capacity: 128 GB
Review Image by Jim
Review Image by Jim
Review Image by Jim
I’ve come to admire small, dependable things—the sort that quietly do their work without fuss—and this Amazon Basics 128 GB microSD memory card is very much that kind of companion. It’s a modest little square of technology, but it holds an impressive amount of room for photos, videos, and files, like a field that stretches farther than you first expect when you step out onto it. Installation was simple and quick, and the included full-size adapter makes it easy to use across different devices. I’ve used it in a camera and a tablet, and in both cases it performed steadily, storing and retrieving files without hesitation. Transfers are smooth, and it’s reassuring to know that such a small card can keep so much safely tucked away. There’s something satisfying about reliability like this—no drama, no complication, just quiet usefulness. For everyday storage and dependable performance, this memory card walks a good road and keeps its promise the whole way. Five stars without question. ... show more
Reviewed in the United States on March 5, 2026 by Jim
Good card for the price
Style: 128GB Capacity: 128 GB
Works as expected and the read speeds are pretty good for what I needed it for. I like that it comes with the full-size adapter, so it's easy to use with different devices. Setup was simple and I haven't had any issues with it so far. Taking off one star because the speed isn't quite as fast as some of the more expensive cards I've used, but overall it's a solid microSD card for the price. ... show more
Reviewed in the United States on September 13, 2026 by Michael vang
How much were these a year ago?
Style: 128GB Capacity: 128 GB
I like these - they work, and as a matter of fact, I'd purchased 3 of these a year ago, at $11 each. But I'm not gonna pay $35 each, just a year later. Instead, I'll just make sure the drone I'm gonna fly has a working SD chip in it - even if it doesn't it will still record in the goggles - so - not gonna pay 3x the price a mere year later. ... show more
Reviewed in the United States on August 31, 2026 by Tim Green
Reliable So Far, Already Bought Two
Style: 128GB Capacity: 128 GB
Review Image by Potato475
Review Image by Potato475
I've purchased two of these 128GB microSD cards so far, with one being used in my dash cam and the other in a security camera. The one in my dash cam has been in use for a few months now, while the security camera card has been running for a few weeks. So far, I've had zero issues with either one. The card comes in a small protective case along with the full-size SD adapter. The microSD card fits into the adapter without any problems, and I've had no trouble using or accessing either card. I've also been happy with the versatility. My family has purchased these same cards for their own security cameras, and we're using them across cameras from several different brands without any compatibility issues that I've seen. I'm especially happy with how the card in my dash cam has held up since it's regularly being written to during use. I haven't experienced any failures, corrupted recordings, or other problems so far. There's honestly not much else I can complain about. I've already bought two, have no intention of returning either of them, and will probably buy more as I need additional storage in the future. ... show more
Reviewed in the United States on September 19, 2026 by Potato475
Drone storage
Style: 128GB Capacity: 128 GB
Exactly what I needed for my drone storage. Happy with the brand and the capacity of data it stores. Came with multiple type of memory cards for whatever project you may have. Happy with the product
Reviewed in the United States on August 26, 2026 by Isaiah
How it works
Checking for best price...