Full Details from Amazon.com : http://www.amazon.com/gp/product/B00AWE8G78?tag=onigi-208GB (2x4GB) Memory RAM for Apple MacBook Core 2 Duo 2.0 13 (Unibody) sodimm204PIN SODIMM DDR3 SDRAM DDR3-PC8500 NON ECC PC3-1066 MHZ 2PCS KIT