Hi, happy 2020! Could you please refer to this?    [URL]     GPU Card Installation Guidelines     NOTE: Internal GPU cards are supported on the PowerEdge R720 and not on the PowerEdge R720xd.  
Hi Dell,   Could you please check and let me know whether the Dell R720XD will work great with Nvidia K1 Grid"? Happy new year!
DELL R720XD WILL WORK WITH NVIDIA K1 GRID?