Trans International today announced the worldwide availability of 4GB Kit (2X2GB) 667MHz DDR2 SDRAM (PC2-5300) SO-Dimms for the newly released MacBook Pro 2.2Ghz, 2.4Ghz 15 Inch and 2.4Ghz 17 Inch. 667MHz DDR2 SO-DIMMS provide MacBook Pro users with desktop-like power by offering 2GB of memory density for each memory expansion socket. The new MacBook Pro models have two memory expansion sockets for main memory expansion. Further information is available from the Web site.