Centon Electronics 2 DDR2 800 (PC2 6400) Memory 2GBS/D2-800,Centon Direct,2GBS/D2-800" /> 2GB DDR2-800MHz memory; delivering unparalleled performance enhancement for demanding tasks PC2-6400; available PC Configuration 200-pin SODIMM; easy installation with the motherboard Compatibility; works with Apple laptops Increase System Performance Easy to Install Lifetime Warranty Tested Specifically on Apple Systems for Guaranteed Compatibility