I use a Rotel RMB1077 with my 568.2 and I am very happy with it.
Runs cool and sounds wonderful.

You need to leave a couple of inches above the amp for ventilation.

NUC i7, Roon, HQ Player, Lampizator L4G5, Meridian Explorer 2, MRendu + linear PS, EAR V20, Woo Audio WA22, Senn 800, Audeze LCD XC, PMC GB1i.