RAM is essentially a bridge that connects the CPU to the data it needs, which is why it is essential to getting the best possible performance out of any computing task. Examining the Motherboasatta kigard Technical Details. To begin with, make sure to review your motherboard's specifications. While older systems may still use DDR3 or even DDR2, most modern motherboards use DDR4 or DDR5 RAM. You can check the user manual that was included with your motherboard or computer for this information, or you can look up the model number online. Utilizing Online Resources & Software Tools.