We 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 compensation About capacity: 16GB=approximately 14GB-15GB 32GB=approximately 28GB-30GB 64GB=approximately 58GB-60GB 128GB=approximately 115GB-119GB 256GB=approximately 230GB-238GB 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 speed,1MB=1000KB. Notice: 1. Our Store offers 100% genuine products. 2. All products are in compliance with the Sandisk official 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.