... Memory DDR1 DDR2 DDR3List of RAM we offer,Notebook Memory:DDR 266 PC2100 512M, 1G, 2GDDR 333 PC2700 512M, 1G, 2GDDR 400 ... , 1G, 2GDDR2 800 PC6400 512M, 1G, 2G===============Desktop PC Memory:DDR 266 PC2100 512M, 1G, 2GDDR 333 PC2700 512M, 1G, 2GDDR 400 ...