Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 256GB, Black
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FREE 30-day refund/replacement
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Availability:
Only 3 left in stock, order soon!
Arrives
Thursday, Aug 27
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Style: 256GB
Capacity: 256 GB
Features
- 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.
- Built for Adventure Shock-resistant, IPX6 water-resistant, and rated for extreme temperatures (10C to +80C). Also resistant to X-rays and magnetic fields ideal for travel, outdoor use, and dashcams.
Description
An Amazon Brand. From the Manufacturer Amazon Basics
Flash Memory Type: Micro SDXC
Memory Storage Capacity: 256 GB
Compatible Devices: Camera, Smartphone, Tablet
Flash Memory Type: Micro SDXC
Memory Storage Capacity: 256 GB
Compatible Devices: Camera, Smartphone, Tablet
Additional Features: Magnetic Proof
Read Speed: 100 megabytes_per_second
Media Speed: 90 MB per second
Hardware Connectivity: microSDXC
Secure Digital Association Speed Class: Class 10
Item Dimensions L x W: 0.43"L x 0.59"W
Item Dimensions D x W x H: 0.04"D x 0.59"W x 0.43"H
Warranty Type: Limited
Model Number: LSMICRO256GU3
UPC: 840095874038
Unit Count: 1 Count
Mfr Part Number: LSMICRO256GU3
Warranty Description: 2 Year Manufacture
Color: Black
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Thursday, Aug 27
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.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Style: 256GB
Capacity: 256 GB
I purchased this memory card for extra storage, and it's worked exactly as I hoped. It was easy to install, was recognized by my device right away, and has performed reliably for storing photos, videos, and other files. The included full-size SD adapter is a nice bonus and makes it easy to use with different devices. If you're looking for a dependable memory card at a reasonable price, this one has been a great value for my needs.
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Reviewed in the United States on June 28, 2026 by Jo Consumer
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.
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Reviewed in the United States on November 27, 2024 by Brandon C
Style: 128GB
Capacity: 128 GB
✅ I have been using this same brand for my GoPro and ace 360 for years now and I love the brand. ✅very reliable and great memories. When I play it back in 4k ✅ easy to install and is very compatible with my GoPro, ace 360 and Cameron camera. ✅ love how I can take it out of one camera and put it into another with no issues so I would say very versatile. ✅ connects to my PC for easy off loading onto my external hard drive
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Reviewed in the United States on June 28, 2026 by Joshelift
Style: 128GB
Capacity: 128 GB
Worked well and it got all of my items from my phone into it it was very compatible. It also is able to get read by most of my devices. The connectivity was very easy i recommend it for the price.
Reviewed in the United States on July 5, 2026 by Chris Cibrian
Style: 64GB(2 pack)
Capacity: 64 GB (2pack)
Fast Little Cards That Work as Advertised These Amazon Basics 64GB microSDXC cards work as advertised—A2, U3, Class 10 with read speeds up to about 100 MB/s and write fast enough for apps, photos, and 4K video on compatible devices. The included full‑size SD adapters make them easy to drop into cameras or laptops, and the 2‑pack is a solid value if you want reliable storage for phones, tablets, dash cams, or handhelds without paying premium‑brand prices.
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Reviewed in the United States on April 19, 2026 by Jason Clinton
Style: 256GB
Capacity: 256 GB
I have cameras around my property, I have the option to use cloud storage from the camera maker, adding a DVR/HD, or install an sd card on each respective camera. I found that there's always the potential that someone, if they are truly intent on doing it, will take the cameras, and if they make entry into my home or business, they'll steal anything of value, and a DVR/HDD/NVR almost always will be taken if found. I keep most of my cameras (which are all webcam), most are bullet style, but I do have several PTZ, they are all wireless, but obviously have a power supply connected, and I have since started to only purchase solar powered, but have had marginal success with them, as those style of cameras are limited by where you put them (full-sun light versus limited limited line of sight with the sun). Ultimately, I prefer the sd cards, they are easy to install, are remarkably cheap, and to date, I have NOT had any fail prematurely (usually the camera, or it's power source/supply does well before any issues are observed by the sd card. Originally I thought I had an issue with the sd cards not provisioning/formatting, but then realized each camera's maker has expectations on how the format occurs. The number, and compatibility I have with this brand of SD card, and the overall life span leaves me a happy customer, and ensures I will continue to purchase these in the future.
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Reviewed in the United States on April 24, 2026 by Past_DVO_Present
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**!
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Reviewed in the United States on January 2, 2025 by Batman
Style: 128GB
Capacity: 128 GB
This microSD card works great and provides plenty of storage for the price. The 128GB capacity is perfect for storing photos, videos, and files, and the included full-size adapter is convenient for transferring data between devices. It has been reliable with no issues, and the performance is good for everyday use.
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Reviewed in the United States on July 9, 2026 by Ryan W