keywords: sandisk 2gb 1gb 4gb 512mb
text: SanDisk intros higher capacity Memory Sticks, more SanDisk Corp. on Tuesday introduced new high-end capacities of 4GB, 1GB and 2GB for its Memory Stick Pro, Memory Stick Pro Duo and SD storage cards, respectively, as well as an increase to 512MB for its miniSD and RS-MMC media for cell phones.