What are the 4K video file sizes for the Canon 1DX Mark II?

Q. What are the 4K video file sizes for the Canon 1DX Mark II?

A. Video file sizes when shooting 4K (for which a CFast Card is highly recommended):  

Shooting at 50fps (800Mbps) generates 5.7GB of data per minute - approx 171GB for 30 mins;  

Shooting at 25fps or 24fps (500Mbps) generates 3.5GB of data per minute - approx 105GB for 30 mins.