The SxS PRO Memory Card is about half the size of a PC card and fits in ExpressCard 34 and 54 slot sizes. It is available in 8GB, 16GB and 32GB storage capacity,with higher capacity planned for the future. Providing reliability, durability and expansion flexibility while offering improved performance, the SxS PRO Memory Card may be defined as the flash media of choice – and the definitive media for high definition.