

💾 Store More. Load Faster. Adventure Harder.
This 256GB microSDXC card delivers up to 100MB/s read speeds with A2 and U3 certifications, ensuring smooth 4K UHD video recording and fast app performance. Built tough with shock, water, temperature, magnetic, and X-ray resistance, it’s perfect for professionals and adventurers alike. Includes a full-size SD adapter for versatile use across cameras, drones, and gaming devices (compatible with Nintendo Switch, excluding Switch 2).





| ASIN | B08TJZDJ4D |
| Best Sellers Rank | #37 in Our Brands ( See Top 100 in Our Brands ) #2 in Micro SD Memory Cards |
| Color | Black |
| Customer Reviews | 4.7 4.7 out of 5 stars (147,408) |
| Date First Available | August 10, 2021 |
| Hardware Interface | microSDXC |
| Item Dimensions LxWxH | 0.59 x 0.43 x 0.04 inches |
| Item Weight | 0.032 ounces |
| Item model number | LSMICRO256GU3 |
| Manufacturer | Amazon |
| Product Dimensions | 0.43"L x 0.59"W |
| Read Speed | 100 Megabytes Per Second |
| Secure Digital Association Speed Class | Class 10 |
| Special Feature | Magnetic Proof |
| UPC | 840095874038 |
| Warranty Type | Limited |
| Write Speed | 90 MB per second |
C**P
Great deal!
Works great. Price is great. Super easy to use. Great quality. Worked perfect right out of the box. Video quality is great.
N**I
Fast, Stable, and Good Value
I’ve been using this 256GB Amazon Basics Micro SDXC Memory Card for a few weeks now mainly in my action camera and tablet, and it performs exactly how a good microSD card should — stable and fast. The read/write speeds are solid. File transfers to my computer are pretty quick, and it records Full HD and 4K video smoothly without lag or dropped frames. Apps also load faster compared to my old card, probably because of the A2 rating. The card itself feels well made, and I like that it comes with a full-size SD adapter, which makes it easy to use with laptops and cameras. It’s also reassuring that it’s waterproof, shockproof, and temperature resistant since I use it outdoors a lot. Storage-wise, you don’t get the full 256GB available (normal for memory cards), but there’s still plenty of space for thousands of photos and long videos.Overall, it’s a straightforward, reliable card with good speed and durability. Nothing fancy, just dependable storage that works as expected.
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.
M**S
Works great!
A great SD card at a great price. (Sadly, I lost the phone that had the card in it and wasn't able to get it back. ☹️)
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.
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.
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.
A**R
Amazon SD Card
Great affordable memory card, easy to use. No connectivity errors and worked flawlessly in an adapter. Arrived quickly before my trip, highly recommend.
G**B
Ok
M**I
Chegou em otimas condições, não tive como testar muito mas consegui saber que funciona.
E**R
Une bonne carte micro SD avec un adaptateur. Il m'a servi pour augmenter la mémoire de ma switch. Elle a tout de suite été reconnue et j'ai pu télécharger mes jeux dessus. Les 256GB sont suffisants pour l'usage que j'en ai. Vraiment très satisfaite du produit. Je recommande cette carte.
S**I
Been using it for 2 months now, have not faced any issue, looks good, nice quality, have not faced any data loss, supports most android phones that can support high memory.
Z**O
Confezione e Presentazione 📦 L’Amazon Basics MicroSDXC da 256 GB arriva in una confezione semplice e funzionale, che protegge la scheda e include un adattatore SD per una maggiore versatilità. Il packaging minimalista riflette l'approccio pratico del brand, ma offre tutto il necessario per iniziare a usare subito il prodotto. Velocità e Prestazioni 💾 Con una velocità di lettura fino a 100 MB/s e una classificazione A2 e U3, questa scheda è perfetta per chi cerca prestazioni elevate. L'ho acquistata per archiviare i video della mia telecamera Reolink, e devo dire che è stata all'altezza delle aspettative. I video vengono registrati senza interruzioni o ritardi, garantendo un'ottima qualità e fluidità. Anche in situazioni di carico elevato, come durante la registrazione continua, la scheda si comporta egregiamente. Capacità di Archiviazione 📂 Con 256 GB di spazio, offre ampio spazio per salvare ore di video in alta risoluzione senza preoccuparsi di esaurire rapidamente lo spazio. È ideale per chi utilizza telecamere di sicurezza o per chi ha bisogno di molto spazio per archiviare foto, video o applicazioni su dispositivi mobili. Compatibilità e Versatilità 🌐 La scheda MicroSDXC è compatibile con una vasta gamma di dispositivi, grazie anche all'adattatore SD incluso. L'ho utilizzata principalmente con la mia telecamera Reolink, ma potrebbe facilmente adattarsi a smartphone, tablet, droni o fotocamere. L'installazione è stata semplice e immediata, e non ho riscontrato problemi di compatibilità. Durabilità e Affidabilità 🔒 Anche dopo un uso prolungato, la scheda si è dimostrata affidabile e resistente. Non ho riscontrato perdite di dati o rallentamenti nel trasferimento di file, e la scheda sembra progettata per durare a lungo, anche in condizioni di utilizzo intenso. Rapporto Qualità-Prezzo 💰 Considerando le prestazioni, la capacità di archiviazione e la versatilità della scheda, il rapporto qualità-prezzo è davvero eccellente. È un investimento sicuro per chi cerca una soluzione affidabile e performante a un prezzo competitivo. Conclusione 🌟 L'Amazon Basics MicroSDXC da 256 GB è una scelta eccellente per chi cerca una soluzione di archiviazione pratica ed efficiente. Perfetta per l'utilizzo con telecamere di sicurezza come la Reolink, così come per dispositivi mobili e altri usi intensivi. Consigliata per chiunque necessiti di spazio di archiviazione affidabile e prestazioni solide a un prezzo conveniente.
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