Amazon Basics Micro SDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 256 GB, Black
Condition: New
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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.
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Availability:
Only 3 left in stock, order soon!
Arrives
Monday, Feb 9
Style: 256GB
Features
- Compatible with smartphones, tablets, cameras, GoPro/action cameras, laptops, computers, DSLRs, drones, game consoles and more.This Micro SD card is not compatible with Nintendo Switch 2
- HIGH QUALITY STORAGE: Perfect for high resolution photos, for recording and storing Full HD/4K videos and any other data type
- ULTRA FAST: Read speed up to 100MB/s. Write speed up to 90MB/s (varies according to memory size). UHS, U3, Class 10 and A2 speed classes for an optimal smartphone experience
- LASTING RELIABILITY: Shockproof, IPX6 waterproof, temperature-proof (-10 to 80), X-Ray-proof and magnetic-proof
- Note: Actual storage capacity shown by a device's OS may be less than the capacity indicated on the product label due to different measurement standards. The available storage capacity is higher than 232GB
- Read and write speeds are based on internal tests conducted under controlled conditions. Actual speeds may vary depending on device used, interface, conditions of use, and other factors
- Note: Please note that we are changing the product's printing and packaging; both 2 versions are the same. (Old version does not show the A2 logo, but its performance is A2 level.)
- Note: Check whether your device is compatible with the MicroSD capacity, for example, if the device only supports a maximum capacity of 64GB, it may not recognize 128GB MicroSDs above
Description
An Amazon Brand. From the Manufacturer Amazon Basics
Flash Memory Type: Micro SDXC
Memory Storage Capacity: 256 GB
Compatible Devices: Camera, Smartphone, Tablet
Color: Black
Special Feature: Magnetic Proof
Read Speed: 100 Megabytes Per Second
Warranty Type: Limited
Write Speed: 90 MB per second
Hardware Interface: microSDXC
Secure Digital Association Speed Class: Class 10
Product Dimensions: 0.43"L x 0.59"W
UPC: 840095874038
Item model number: LSMICRO256GU3
Item Weight: 0.032 ounces
Item Dimensions LxWxH: 0.59 x 0.43 x 0.04 inches
Date First Available: August 10, 2021
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Monday, Feb 9
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.
- Klarna Financing
- Affirm Pay in 4
- Affirm Financing
- Afterpay Financing
- PayTomorrow Financing
- Financing through Apple Pay
Learn more about financing & leasing here.
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Top Amazon Reviews
Style: 256GB
I bought this Amazon Basics 256GB Micro SDXC card for my daughter’s Fire tablet, and it has been a fantastic upgrade. It was recognized instantly, installed without any issues, and provided plenty of extra storage for apps, games, movies, and offline content. The performance has been excellent — apps load quickly, videos play smoothly, and there’s no lag at all. The A2 and U3 ratings really make a difference, especially for a kid’s tablet that gets used heavily every day. The included full-size adapter is a nice bonus, making it easy to transfer files from a computer if needed. For the price, the quality and reliability are outstanding. If you need extra storage for a Fire tablet or any device that supports microSD, this card is a great value and I would absolutely buy it again. Highly recommended!
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Reviewed in the United States on January 1, 2026 by Elissa Eaton
Style: 64GB(2 pack)
The product is exactly as described. The SD card comes well packaged with the case, which makes storage and portability convenient. In terms of performance and speed, it delivers solid and reliable results compared to other similar products. It has a good appearance, performs quickly, and is easy to use. I’ve had no issues using it so far, and overall it feels like a dependable option for the price.
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Reviewed in the United States on January 14, 2026 by Hongee Hongee
Style: 256GB
I’ve been using this Amazon Basics 256GB Micro SDXC card in my Sony a6400, and it has performed exactly as expected. Read/write speeds are solid, and I’ve had no issues shooting photos or transferring files to my computer. Uploading images is quick and smooth, with no errors or corrupted files. The included full-size adapter is a nice bonus and works perfectly in my card reader. For the price, this card offers excellent value compared to higher-priced brands with similar specs. I'll definitely be buying another one :)
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Reviewed in the United States on January 4, 2026 by Violet
Style: 512GB
Great value microSD card for video and daily use I’ve been using the Amazon Basics 512GB microSDXC card in an action camera, and it works flawlessly. The A2 and U3 ratings provide fast and stable performance, and the read speed is more than enough for 4K video recording and large file transfers. The card is reliable, with no dropped frames or errors so far. The included full-size SD adapter is a nice bonus and works perfectly in laptops and card readers. For the price, this is excellent value compared to other brands with similar specs. Overall, a solid and dependable memory card for action cameras, drones, and everyday storage needs. Highly recommended.
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Reviewed in the United States on January 21, 2026 by Vitalii Fedorchenko Vitalii Fedorchenko
Style: 128GB
works well, do what it's supposed to do. No issue!!
Reviewed in the United States on January 20, 2026 by Rayon
Style: 128GB
Amazon basic products always come through. This card is very affordable and great comparison to more higher end products. I bought it to expand the memory in my digital camera and had some great results. Plug and play easy use, great transfer speeds, good capability, no data loss. I like their products and highly recommend this one too.
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Reviewed in the United States on January 7, 2026 by Maurice R. Jones
Style: 128GB
I grabbed the Amazon Basics Micro SDXC Memory Card with Full-Size Adapter because running out of space is a universal problem and I’m not about that life. This memory card checks all the boxes without drama. Let’s break it down: the capacity is generous, so you can stash tons of photos, videos, music, apps, whatever you need without that dreaded “Storage Full” alert popping up every five minutes. The micro SDXC format means it slides right into phones, tablets, cameras, and drones — basically anything that takes a micro SD card — and the full-size adapter means you can use it in laptops or card readers too. That’s convenience you actually use. Performance is reliable. Transfers feel reasonably speedy given the format, and opening or saving files doesn’t make you wait like you’re watching paint dry. I didn’t get weird errors, slowdowns, or mysteriously disappearing data, which, yes, feels like a luxury when it comes to flash storage. Build quality is exactly what you’d expect from Amazon Basics — sturdy, unpretentious, and dependable. No gimmicks, no fancy branding, just storage that does its job. Overall, this micro SD card is practical, versatile, and dependable. If you need extra storage that won’t flake out on you, this is a strong choice and absolutely earns five stars.
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Reviewed in the United States on January 10, 2026 by Asiyah
Style: 128GB
I’m really impressed with this Amazon Basics micro SD card. For the price, you honestly can’t beat what you get. The read/write speeds are fast and consistent I’m using it in my phone and also tested it in my camera, and both recognized it immediately with zero errors. Apps load quickly, videos save instantly, and transferring files to my laptop is smooth with the included full-size SD adapter. I’ve recorded photos and 1080/4K clips without any lag or stuttering. If you need affordable storage that works just as well as some of the bigger-name brands, this is a great buy. I’ll definitely pick up another one when I need more space!
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Reviewed in the United States on January 13, 2026 by kymani Anderson