Trans International today announced the worldwide availability of 1GB and 512MB 667MHz DDR2 SDRAM (PC2-5300) SO-Dimm for the Apple MacBook (1.83GHz and 2GHz). “Transintl.com 667MHz DDR2 SO-DIMM provide MacBook users with desktop-like power by offering 1 GB of memory density for each memory expansion socket. The Apple MacBook 13-inch 1.83GHz and 2GHz Model has two memory expansion sockets for main memory expansion.”