









💾 Power your adventures with speed and space — never miss a moment!
The Amazon Basics 256GB microSDXC card delivers professional-grade performance with up to 100MB/s read speeds, A2 and U3 certifications for fast app loading and 4K video recording, and rugged durability including shock and water resistance. Compatible with a wide range of devices (excluding Nintendo Switch 2), it includes a full-size SD adapter for versatile connectivity, making it the smart, affordable choice for content creators and tech-savvy professionals.





| ASIN | B08TJZDJ4D |
| Additional Features | Magnetic Proof |
| Best Sellers Rank | #98 in Our Brands ( See Top 100 in Our Brands ) #3 in Micro SD Memory Cards |
| Brand | Amazon Basics |
| Color | Black |
| Compatible Devices | Camera, Smartphone, Tablet |
| Customer Reviews | 4.7 out of 5 stars 148,074 Reviews |
| Flash Memory Type | Micro SDXC |
| Hardware Connectivity | microSDXC |
| Item Dimensions D x W x H | 0.04"D x 0.59"W x 0.43"H |
| Item Dimensions L x W | 0.43"L x 0.59"W |
| Manufacturer | Amazon |
| Media Speed | 90 MB per second |
| Memory Storage Capacity | 256 GB |
| Model Name | Amazon Basics - MicroSDXC, 512 GB |
| Model Number | LSMICRO256GU3 |
| Read Speed | 100 Megabytes Per Second |
| Secure Digital Association Speed Class | Class 10 |
| UPC | 840095874038 |
| Unit Count | 1.0 Count |
| Warranty Description | 2 Year Manufacture |
| Warranty Type | Limited |
M**L
Something to know
its a great micro sd card but something to you should know about it is the full size adapter doesnt let you unzip files or format on the card so youll want to get a different full size adapter if you plan on doing anything like that, other than that is has ok speeds and works great if you get it at a good price
K**H
Surprisingly great performance at an unbeatable price — top value microSD!
Excellent value for a 256GB microSD card — I honestly was not expecting this level of performance at this price point. The Amazon Basics branding had me a little skeptical at first, but after putting it through its paces, I am genuinely impressed. Speed & Performance: The card delivers on its A2 and U3 ratings. Read speeds are consistently near the advertised 100 MB/s, which makes file transfers fast and smooth. I use it in my dashcam and security camera and have experienced zero dropped frames or buffering issues. The A2 application performance rating also means it handles app loading and random read/write tasks reliably. Storage & Reliability: 256GB is plenty of space for extended video recording, photos, and app storage. I have been using it daily for several months with no data loss, corruption, or errors. It gets warm but never hot, even during continuous 4K recording sessions. Compatibility: It comes with a full-size SD adapter which is a nice touch — useful for transferring files to a laptop or camera. Compatible with a wide range of devices including smartphones, tablets, dashcams, drones, and action cameras. Value for Money: This is where the card truly shines. Compared to branded alternatives like SanDisk or Samsung at the same capacity, this card offers comparable real-world performance at a significantly lower price. For everyday use cases like dashcams, security cameras, or extra phone storage, there is simply no need to pay a premium. Highly recommend this card for anyone looking for a reliable, fast, and affordable storage solution.
E**K
Budget and good
Great read and write speed for budget sd cards. Reliable for everyday electronics, I main use on kids tablets and retro consoles.
J**M
Miles of Memory in a Small Red Field
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.
J**I
Reliable SDXC card with good read/write speed
This microSDXC memory card works reliably. I'm using it for my Car's dash cam, and so far its quality is decent. I've used others and their quality is little bit better than this one, hence giving 4 star. For storage capacity wise, it's good enough for my daily usage. The card delivers good read/write speed. Totally worth the money.
Y**R
SD Card for My Switch Lite
I bought this for my switch lite and it works great! It is 256 gb which is enough storage for me to buy new games. It comes with a tiny plastic case with a micro sd adapter too. I would recommend since this a great price than other alternatives. Definitely will be buying more!
K**R
Great product
Product works great. The adapter sleeve that is sent with this card is fantastic as well! Very reasonably priced. All around, great purchase.
Y**A
Perfect for security cameras
Title: Perfect for security cameras ⭐⭐⭐⭐⭐ I bought this microSD card to use in my security cameras, and it has been working perfectly. I’ve been using it for continuous recording and haven’t had any issues. The speed is good and it stores the videos without interruptions. It feels reliable and the installation was very easy. For the price, it’s definitely worth it if you need a memory card for security cameras or other devices. I highly recommend it.
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