How to Add RAM to Older Computers Double Data Rate 4 (DDR4) is the current standard for memory sticks, with a base speed of 2133 MHz, and this has been the case since around 2015.

On laptops without soldered RAM, upgrading the memory is as simple as swapping out the RAM stick in its slot, an upgrade that can boost your laptop's speed.

Running out of memory can cause performance issues. Here's how to see how much memory is in your PC, and how fast it is.