The SanDisk Extreme III Memory Stick PRO-HG Duo is the fastest card in the company’s product family with read and write speeds of 30 megabytes (MB) per second for PRO-HG capable Sony digital SLRs‚ point-and-shoot cameras and digital camcorders. With a lifetime warranty and capable of functioning in extreme temperatures‚ from-25 to 85 degrees and RescuePRO software for recovering deleted images. Available in 4-gigabyte (GB) 1 and 8GB capacities. RRP: 4GB $119 8GB, $200.