Sony MSHX8B 8GB Memory Stick PRO-HG Duo Media 30MB/sec read mode at 8-bit parallel data transfer. Faster data transfer can be achieved with HX and is four times faster than Memory Stick PRO Duo Speed. Speed varies upon the measurement conditions. Memory Stick PRO-HG Duo media can be used with Memory Stick PRO and Memory Stick PRO-HG Duo compatible products. Memory Stick PRO compatible products do not support the high-speed data transfer for use with this media. Content protection function in Memory Stick PRO-HG Duo media is the same as the one in Memory Stick PRO media.