Why?

Before I request an answer please ,Im aware what Im using is a single core ,a mono core CPU(don't make fun of me please), but why this show this? Im newbie In new systems ,I belong to the P3 era and stock there,I still fix this old PC, not too many people have a P-D or P-4 ,I didn't knew of the existace of this new connector SATA until I bought one last week,Please do you know why It says 2 cpu and this screen its divided in two parts?

