3 Things to Know About Mixing RAM Sizes

You can mix different RAM sizes without instability Adding a 16GB stick alongside an 8GB stick for 24GB total works fine in most systems.

Match the speed, not the size Both sticks must be the same DDR generation and speed (e.g., DDR4-2666) to run properly.

Check your motherboard’s slot count and limit The ProDesk 400 G5 has two slots and supports up to 32GB total, so a 16GB plus 8GB combination is within spec.