... RAM Memory / Memory Module / DDR Memory DDR3 RAM DDR1, DDR2, DDR3 RAM Desktop Computer, laptop computer 128MB/256MB/512MB/1G/2G 1 ... ) DDR 400/333 & DDRII 533/667/800 MHz 2 ... V (SSTL-2 compatible) I/O for DDR I products, 1.8Vpower supply for DDR II products 6) Double-data-rate architecture ...