The best memory upgrades for your Lenovo Thinkpad Original Series 390X Notebook!
We've spent years amassing all the information we need to make sure you get the right memory for your Lenovo Thinkpad Original Series 390X Notebook.
We guarantee this memory will work in your machine for the life of your machine. Your Lenovo Thinkpad Original Series 390X supports up to 256 MB in two slots and modules must be installed one at a time.