. At first it seemed normal, but after a week I noticed errors, transferring a 500MB file of 10 pieces took 1 hour. compared to my other 4 memory cards. And I hang around with it most of the time. That's a long way back. Responsiveness is really annoying, slowing down and sometimes freezing. San Disk is better to buy in stores for $30. this is a very big mistake. And take made in China. not Korea After 4 days I gave 2 stars because I managed to get it working. It's really a return and waiting (refund) issue so I managed to be patient and it took me 4 days to fill an 8GB stick (with frustration etc). What I've done is copy and paste 1 file at a time (whenever an error occurs - my other sticks don't - I wait for the 'try again' option, remove the drive and hit cancel, then put it a . back ) This means the file is unsupported or corrupted - which is on my other flash drives - sometimes this method doesn't work. So when you click on the 'Cancel' button, your laptop freezes. You have to copy a maximum of 8 files and then whatever you do, the 9th file gets stuck. For example, it is not possible to copy 2 files of 30MB, but 1 file of 30MB is possible. So the amount is wrong. You can't copy movies 300MB and larger, they hang halfway and you have to restart the laptop again. This will teach me not only from the seller but also from Amazon. I know it will happen eventually. (Although this is my first purchase here) it's a relief. For me, it's best to buy from the nearest store, even if it's 5% more expensive.
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