About capacity: 8GB=approximately 7.3GB-7.5GB 16GB=approximately 14GB-15GB 32GB=approximately 28GB-30GB 64GB=approximately 58GB-60GB ● U3 , high quality crystal, durable, waterproof and temperature resistant
● 64GB / 128GB read speed: 100MB/s, Write speed: 80MB/s
● 32GB/16GB read speed: 100MB/s, Write speed: 65MB/s
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.
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