How to Fix RAM Not Running at Full Speed
The advertised RAM speed is the maximum speed supported by that particular RAM stick. However, by default, your system will not run at this speed. To make use of it, you need to enable memory profiles. In some cases, the RAM stick still might not run at its full speed even after you enable memory profiles. If you have a CPU or motherboard that supports lower RAM speed, it will restrict the RAM from reaching its advertised speed....