The best memory upgrades for your Acer Extensa 721TXV Notebook!
We've spent years amassing all the information we need to make sure you get the right memory for your Acer Extensa 721TXV Notebook.
We guarantee this memory will work in your machine for the life of your machine. Your Acer Extensa 721TXV supports up to 256 MB in two slots and modules must be installed one at a time.