32GB High Speed MS Memory Stick Pro Duo Card Storage for Sony PSP 1000/2000/3000 Game Console Approximate 30MB/s in reading and approximate 20MB/s in writing speed. Transfer speed is about 4 times faster than the Memory Stick(R) PRO Duo. Speed varies upon the measurement conditions Memory Stick PRO-HG Duo HX is ideal for high-speed data transfer and for continuous shooting You can take up to 180 large JPEG photos per minute