Trans Intl. today announced the availability of 1GB (Gigabyte) DDR333 (Double Data Rate) memory upgrade modules for the recently released Apple iMac G4 15-inch 1GHz Combo Drive, the iMac G4 17-inch 1.25 GHz Super Drive, and the iMac G4 20-inch 1.25 GHz Super Drive, which enables the system’s main memory to be expanded up to 2GB. Pricing and availability are available from the Web site.