Sandisk ULTRA II HIGH PERFORMANCE 4GB (SDMSPH-4096-A10, Retail Package) SanDisk Ultra II 4 GB Memory Stick PRO Card General Features: 4 GB capacity Minimum9 MB/sec write speed (60X) Minimum 10 MB/sec read speed (66X) Low power consumption Ready for rapid-fire shooting Regulatory Approvals: CE C-Tick