About capacity:16GB approximay 14GB-15GB32GB approximay 28GB-30GB64GB approximay 58GB-60GB128GB approximay 115GB-119GB200GB approximay 182GB-186GB256GB approximay 230GB-238GBWe store all parcels will have full tracking information over time commitment, if the parcel transport,Beyond the transit time commitments, open logistics disputes. After verifying that you can get compensationThis is calculation difference between manufacturer and your PC, please Google ‘Memory card capacity’ to get more information.Your PC says 1GB 1.4 Billion bytes where Market Defines 1 GB 1.00 Billion is not recommended to buy.Warm Tips:How to verify the Capacity and Speed of the memory card?1). Please use quality USB 3.0 card reader to verify all memory card by H2testw on PC. Real memory card should pass H2testw with no error.2). Please don’t use cheap card reader to test Micro SD card, speed of Micro SD card will be reduced by low quality card reader.3). Micro SD memory card speed is greatly affected by card reader and the capacity you choose , USB port ect. Low quality device will 100% slow down card speedNotice:1. Our Store offers 100% genuine products.2. All products are in compliance with the website.3. Manufacturer’s reserve the right, at their sole discretion, to change or modify products. Appearance and packaging design may change without prior notice.4. We are not responsible for any changes or modifications that manufacturer’s make to products. 2; Consult or purchase products in the store, such as unknown or questions, please contact the store customer service. Our customer service will answer and serve you in time, thank you for coming to our store.