Sony 256MB Memory Stick Pro Duo High Speed (Retail Package) One-third the volume and half the weight of standard-size Memory Stick PRO High capacity, ideal for high-resolution still and movie images, as well as large presentation files High speed data transfer rate of up to 160Mbps Enabling high-resolution moving image recording due to Minimum write speed guarantee of 15Mbps Compatible with copyright protection technology ("MagicGate"), and delivered with Memory Stick Duo Adaptor