CenterNEX&reg; 2GB Memory STICK For Asus K Notebook Series K40AB K40AC K40AD K40AE K40AF K40C K40ID K40IJ K40IN K40IP K50AB K50AD K50AF K50C K50IJ K50IJ-SX003C K50IJ-S Lifetime Warranty CenterNEX 2GB Memory STICK For Asus K Notebook Series K40AB K40AC K40AD K40AE K40AF K40C K40ID K40IJ K40IN K40IP K50AB K50AD K50AF K50C K50IJ K50IJ-SX003C K50IJ-S Lifetime Warranty