Acer Extensa 4420 4620 2GB MEMORY RAM DDR2      TESTED -- 100% Functional ==   2 sticks of 1gb for a total of 2gb. Should work with may laptops that use the ddr2 chip.    If for some reason you are not satisfied with received item, e-mail us through eBay message system. Don't leave negative feedback, money back guaranteed! We value your time and business.   Actual item is pictured!  Please look carefully for the item you will receive.