USB Flash Drive High Speed Bank Credit Card USB Flash Pen

about capacity: 4GB=approximately 3.6GB-3.8GB 8GB=approximately 7.4GB-7.8GB 16GB=approximately 14GB-15GB 32GB=approximately 28GB-30GB 64GB=approximately 58GB-60GB The capacity of the product is according to: 1MB=1000KB，1G=1000MB. To calculate， the operating system is a binary algorithm that is 1MB=10B， 1G=1024MB， so please pay attention to the actual capacity is marked capacity of 90%-93%. This is calculation difference between manufacturer and your PC， please Google 'USB Flash Drivecapacity' to get more information.