Question

You are shopping for a computer. You see the memory listing as 1GBX4. What does it mean?

Answer 1

It means it has 4, 1 GB RAM ( Random Access Memory) cards installed. If your going to game on it you will need more

Hope this helps :)

Answer 2

It means 4GB of memory made up of 4 Dual In-Line Memory Module (DIMMs)