SanDisk's new Memory Stick PRO 4 Gb
SanDisk Memory Stick Pro Blue 4Gb, 4 GB, 2.45 MB/s, 1.87 MB/s
SanDisk Memory Stick Pro Blue 4Gb. Capacity: 4 GB, Read speed, media: 2.45 MB/s, Write speed: 1.87 MB/s