... : 64MB,128MB,256MB,512MB,1GB,2GB,4GB,8GB,16GB,32GB;2.Interface: USB 3.0;3.Operating Systems: Windows Vista/XP/2000/ME/98/95 ... OS 8.6 and above;4.Transfer Rate: High Speed USB 3.0;5.Data transfer speed: 35MB/s-60MB/s for read,32MB ... Retention: 10 years minimum;9.Supports boot up by USB-HDD or USB-ZIP mode;10.Plug-and-play;no external power supply ...