what happens if I Add a 2x8gb ram with a 2x4gb same speed,different latency,same voltage, same bandwidth,same brand

Lutfij

Titan
Moderator
I prefer never to mix and match rams. You might have stability issues. If at all you should look at populating the slots on your board evenly with the same stick of ram preferably using a kit. Make sure you're on the latest BIOS update before you drop any ram as an upgrade.