... ,DDR2 RAM 800mhz 2GB 2,128MB/256MB/512MB/1G/2G 3,Desktop Computer,laptop computer 4,128MB/256MB/512MB/1G/2G DDR2 ... 2GB specification: 1) DDR 400/333 & DDRII 533/667/800 MHz2) ... (SSTL-2 compatible) I/O for DDR I products, 1.8Vpower supply for DDR II products 6) Double-data-rate ... 2 variations of refresh25) Auto refresh 26) Self refresh DDR2 2GB