The best memory upgrades for your Compaq Designjet 4000PS Printer!
We've spent years amassing all the information we need to make sure you get the right memory for your Compaq Designjet 4000PS Printer.
We guarantee this memory will work in your machine for the life of your machine. Your Compaq Designjet 4000PS supports up to 512 MB in one slots and modules must be installed one at a time.