Full Details on Amazon.com : http://www.amazon.com/gp/product/B0021XBQXY?tag=tsukuyomi-20

4GB Memory RAM for Apple MacBook MB466LL/A (13 2.0GHz) MB467LL/A (13.3 Intel Core 2 Duo 2.4GHz)

Brand new certified 204pin PC3-8500 1066MHz DDR3 SO-DIMM Black Diamond Memory
Low density 4GB memory single stick memory module
100 compatible garrantee for Apple MacBook MB466LLA 13 20GHz
100 pre-tested on Apple system to ensure functionality
Lifetime warranty