Package Contents:<br /> SD with Retail Package*1<br />Speed:<br /> 16GB/32GB-Class 10-SDHC<br /> 64GB/128GB-Class 10-SDXC<br />About capacity:<br /> 16GB=approximately 14GB-15GB<br /> 32GB=approximately 28GB-30GB<br /> 64GB=approximately 58GB-60GB<br /> 128GB=approximately 119GB-120GB<br /> This is calculation difference between manufacturer and our PC・ please Google 'Memory card capacity' to get more information