The best memory upgrades for your Lenovo SurePOS 300 Series Surepos 720 Series - S21 POS!
We've spent years amassing all the information we need to make sure you get the right memory for your Lenovo SurePOS 300 Series Surepos 720 Series - S21 POS.
We guarantee this memory will work in your machine for the life of your machine. Your Lenovo SurePOS 300 Series Surepos 720 Series - S21 supports up to 512 MB in two slots and modules must be installed one at a time.