Kodak | 3Pcs Kodak Micro SD Card SDXC TF Memory Card 64G 32G 128G U3 High Speed Read up to 100MB/s with Adapter for Android Phone Switch

About capacity:32GB=approximately 28GB-30GB64GB=approximately 58GB-60GB128GB=approximately 115GB-119GBSteps 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 bylow quality card reader.(3). Micro SD memory card speed is greatly affected by card reader and the capacity you choose ,USB port etc.