Sony Memory Stick Pro Duo

The Sony Memory Stick PRO Duo is a proprietary flash memory card format specifically designed by Sony for use in various electronic devices, most notably the PlayStation Portable (PSP) handheld console, as well as digital cameras and camcorders. This compact, rectangular card served as the primary storage medium for PSP games downloaded from the PlayStation Store, save data, music, videos, and photos. It offered improved capacities and faster transfer speeds compared to its predecessor, the Memory Stick Duo, with capacities ranging from megabytes up to 32GB (and even higher with unofficial adapters). The PRO Duo was essential for expanding the functionality and content library of the PSP, allowing users to carry a vast amount of digital media with them on the go.