... ,Desktop Computer,laptop computer 4,128MB/256MB/512MB/1G/2G DDR2 2GB specification: 1) DDR 400/333 & DDRII 533/667/800 MHz2 ... V (SSTL-2 compatible) I/O for DDR I products, 1.8Vpower supply for DDR II products 6) Double-data-rate architecture ...