Kingston 4K U3 32GB-512GB MicroSD Flash Memory Card For Camera Media Record Lot
TF MicroSD Card. USB Flash Drive. Capacity 32GB-512GB. The max 100MB/S is the theory of speed.The Normal test With H2testTW. Read Speed : 60-75MB/S Write Speed: 50-60MB/S. The Speed is greatly affected by card reader and USB port ect.