KOOTION 128GB Micro SDXC UHS-I U3 V30 A1 Memory Card - High Speed TF Card for Phone, Camera

These KOOTION Micro SD cards offer excellent performance. The read and write speeds are very fast, ideal for 4K recording and use in cameras, mobile phones, or security devices. The 3-pack with included adapter provides great value for the price. They are reliable, stable, and work perfectly right out of the box. A highly recommended purchase.

Everything worked as advertised. Lots of features and very happy! Easy to set up. Great value for the cost. I purchased the memory card and use the continuous recording feature.

Great buy, although one of the cars stopped working in my camera about a month or so after using it. The other two are still ok. Storage capacity is good for what I need.

I bought this in 2019 and died Jan 2026. I got 6 years, but died w/o warning. Getting a Samsung SD card for Samsung phone. Hope that will last longer or give me a hint that it's dying!

Purchased to use with indoor cameras. They were compatible, and have been very reliable for us. We are happy with the quality and ease of use for these SD cards, and they were a great price! Highly recommend!

Works well with my Samsung a9 Plus tablet. Detected as soon as I powered my tablet on. Great Price, Fast SD card, high speed. 128 GIG of space extra now on my Tablet, minus the format space it needs, which is minor. I recommend this SD card.

Work

I have multiple different SD cards that are older than this one by multiple other brands and all of them are in perfectly fine condition and are able to be red and written onto perfectly fine the same as the day they were purchased. Not this one it worked twice whenever I tried to connect it to my phone via the SD card slot and using a type c to USB converter with a MicroSD card reader plugged into the USB. I use micro SD cards to expand my phone storage so it runs better as well as to handle the storage on my eight different security cameras around my house, so I work with them a lot and have insight into longevity, the importance of backups, and storage space as well as read and write time as I reuse the smaller storage chips that are rated for the cameras by taking the data off of them and putting them on a larger storage chip via my phone with the setup I previously mentioned. This crashed the whole setup it caused my phone to stop reading SD cards to the point where now every time I put one in I have to restart my phone completely and it never did this before this crappy micro SD card. VANSUNY works flawlessly, PNY works flawlessly. KOOTON doesn't work at all. Don't waste your money.