Usb แฟลชไดรฟ์ความจุ 128 Gb 64gb 32gb 16gb 8gb Usb 2 . 0 Transmemory Usb 2 . 0

About usb real capacity Because manufacturer use memrry decimal arithemtic: 1MB=1000KB 1GB= 1000MB,computer use binary operating :1MB=1024KB 1G=1024MB,So the actual memory usb flash drive is as follow 1GB actual capacity = 920MB ~ 990MB 2GB actual capacity = 1.8G ~ 1.9G 4GB actual capacity = 3.7GB ~ 3.8GB 8GB actual capacity = 7.4GB ~ 7.6 GB 16GB actual capacity = 14.5GB ~ 15.0GB 32GB actual capacity = 29.1GB ~ 30.5GB Product information 1.usb capacity : 4GB 8GB 16GB 32GB 64GB 2.Interface type : usb2.0 3.Working temperature : 0~50 4.Wirtten speed : 4MB ~ 8MB/second 5.Usb connection,support hot plug & play ​6.Compatible:Win7/Xp/Windows2000/Mac9.0/Wista