Instruct: Classify an Amazon review into positive or negative sentiment.
Query: Excellent Storage Card For My Casio Camera

The SanDisk 1 GB SD card worked perfectly and is fast enough that I did not have any problems with using it for my Casio camera. I read one review on this card when the reviewer was unhappy because his card would only hold a small number of files which was not nearly the capacity of the card. The SD card functions like a removeable hard drive. The root directory of a hard drive will only allow a limited number of files. You have to create at least one folder on the SD card and that folder will allow the entire capacity of the card to be stored in it.