This content originally appeared on DEV Community and was authored by Talles L
sudo lshw -short -C memory was giving me 2133 MHz, even though my memory is 3.2 GHz.
It turns out you have to enable a setting on your BIOS called XMP (for Intel) or DOCP (for AMD) to get full memory speed.
ASUS BIOS:
MSI BIOS:
This content originally appeared on DEV Community and was authored by Talles L