I did test this card for 2 things. True capacity and transfer speed. It did pass both. > The read speed was 85MB/s and the write around 45MB/s. > For the true capacity i did just write a 120Gb file with a known sha256 hash and read it back just fine. This only let me conclude that the seller indeed ship me the original sanddisk 128GB card and therefore i do recommend him if you interest of purchasing this product.
Verified purchase: Yes | Condition: New
Corrupt files everywhere. I'm a computer guy for over 25 years now and I have tried this brand before too. I am having bad luck going from 64 GB to 128 GB SD cards. My pictures and files are good on my Samsung 64 GB card and I make backups of it which are readable. The 128 GB has corrupt files every time and even using different computers and methods to copy. The quality of SD cards in general has gotten very bad.
Verified purchase: Yes | Condition: New
Awesome; Performance seems as stated; Works great in "BicBooks"; good idea to store files in external SD for MMC laptops; seems to meet U1, class 10 spec; very fast transfers, store, read; enjoy the 200 dollar laptop revolution! :<)))
Verified purchase: Yes | Condition: New
Had to format this card to FAT32 to make it work in my Nintendo 3DS. Worked 100%. Speed looks as good as any other micro SD card I have bought from Sandisk.
Verified purchase: Yes | Condition: New
I have been trying to use SD card in my security cam and I thought the camera was not working well. Then after I tried to use the SD card in my new brand dashcam. And SD card doesnt keep videos. I cannot record anyhing. And i tried my dashcam with different SD card, it does work well. Nothing wrong with it. So, SD card is not working. I dont know why. I will return it.
Verified purchase: Yes | Condition: New
This SanDisk micro SD card is excellent. I dropped my original Samsung card and since they are so small I just never found it as of today. So I purchased this card which in my opinion makes the best SD cards and put this in my Canon camera. With 128 GB I have tremendous storage and the camera read the card immediately. I am very happy having the particular Sandisk card because of the price and the way it performs.
Verified purchase: Yes | Condition: New
I tried a off brand micro sd. in my Motorola e5 phone and it wouldn't work.I purchased the Sandisk 128GB. micro SD SDX Class10 UHS-1 A1.I installed it and now my phone has 144GB.of memory.
Verified purchase: Yes | Condition: New
I purchased 3 of these to use in a dash-cam. They do not work so well in a dash-cam because they cannot endure the stress of constantly writing fast into the memory chip. Part of this is my fault for not knowing the difference between U1 and U3 chips, but when it says on the U1 type package that it supports HD video, I thought it should work fine for just 720 video at 30 fps, but it doesn't. The more expensive U3 does work ok, but I wish I could return the three U1 chips I already bought and now can't use. One of the three is still in the unopened package! Money wasted.
Verified purchase: Yes | Condition: New
Works as expected - what else does one need? Speed wise - I had nothing to compare with and did not waste my time doing it. Works and fine with me. I use it with my security camera and no issues so far.
Verified purchase: Yes | Condition: New
I originally wanted to put this card in an LG G3 that I use as a "tablet". Unfortunately the micro SD card tray in that phone is broken, it kept ejecting and mounting the micro SD card. The same thing happened with another memory card that I had so I know it's not this one. I ended up using it as backup storage for my PC and it works very well!
Verified purchase: Yes | Condition: New
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