SanDisk memory Stick Pro Ultra II 4Gb
SanDisk Ultra® II Memory Stick PRO™ 4Gb, 4 GB, 10 MB/s, 9 MB/s
SanDisk Ultra® II Memory Stick PRO™ 4Gb. Capacity: 4 GB, Read speed, media: 10 MB/s, Write speed: 9 MB/s