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

Why did you pick this product vs others?: After using the Amazon Basics 64GB MicroSDXC cards for my GoPro Hero 9 over the past three months, I've been thoroughly impressed with their consistent performance. The two-pack arrived in simple but secure packaging, and each card came with a full-size adapter that's proven handy when transferring files to my laptop. What first caught my attention was the A2 and U3 ratings, which promised fast app performance and 4K video capability - specs that initially made me skeptical given the affordable price. Recording 4K footage at 60fps has become my standard practice with these cards, and they've handled it without a single dropped frame or overheating warning. I regularly shoot hour-long sessions while snorkeling, and the cards maintain steady write speeds even when the camera gets warm in direct sunlight. The claimed 100MB/s read speed feels accurate when I'm transferring files to my computer - a 30GB dive session transfers in about 5 minutes, which is significantly faster than the generic cards I used previously. Memory quality: What surprised me most was how well these cards perform with the GoPro's advanced features. Timewarp videos, 240fps slow motion, and HERO mode photos all save instantly without any lag or buffering. I've filled these cards completely multiple times during road trips, and they've never corrupted files or failed to save important moments, which happened occasionally with my old cards. The included adapters work perfectly in my DSLR too, making them versatile for all my photography needs. Durability has been excellent despite heavy use in various environments. After being submerged in saltwater, exposed to desert heat, and frozen during winter hikes (accidentally left in my jacket pocket), both cards still function flawlessly. The black finish shows no signs of wear, and the locking mechanism on the adapters remains firm after dozens of swaps between devices. I appreciate that they maintain consistent performance even when nearly full - some cards slow down significantly when storage space gets low. Reliability: For the price of this two-pack, the value is outstanding. I've tested these side-by-side with name brand cards that cost twice as much, and the Amazon Basics cards match them in real-world performance. Having two identical cards means I always have a backup ready when one is transferring files, and the peace of mind knowing both are reliable is worth the purchase alone. They've become my default recommendation for fellow action camera enthusiasts. After recording over 500GB of footage across multiple adventures, I can confidently say these microSD cards outperform their price point. The combination of speed, reliability, and included adapters makes them ideal for anyone needing dependable storage for 4K video. They've handled everything from professional shoots to family vacations without fail, proving you don't need to spend a fortune for quality memory cards that keep up with demanding cameras.

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.

Fast read/write speeds – I’m getting around 90–95 MB/s on my device. which is handy. No corruption or errors so far after several weeks of heavy use. Great value for the price.

Easy to set up and worked immediately with my dashcam after configuration. The included adapter is a convenient bonus, making it simple to transfer files between different devices without needing additional accessories. It has plenty of storage space and performs exactly as expected.

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.

“Reliable memory cards with fast transfer speeds and plenty of storage space. Worked perfectly for my devices without any issues. Great value for the price and useful for photos, videos, and extra storage.”

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.

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.

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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.

Hasta ahora funciona muy bien, se utiliza en una cámara digital.

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.

Perfect for my TAPO security cameras