AddOn AA667D2S5/2GB x1 JEDEC Standard 2GB DDR2-667MHz Unbuffered Dual Rank 1.8V 200-pin CL5 SODIMM - 100% compatible and guaranteed to work

Up to 667 MHz speed is enough to run heavy software smoothly while surfing web with dozens of tabs open 2 GB of memory to refine your computers performance DDR2-667/PC2-5300 interface synchronizes electrical and clock signals for an efficient data transfer rate