On 12/13/2013 04:50, Bernhard Fröhlich wrote: > The used RAM is usually VM RAM + GPU RAM + (QT4 GUI) + overhead. How > did you measure those 1263MB on the host? This is the total size of the VirtualBox process for the VM, no Qt GUI. I expected it to be somewhat higher than 512MB, but not 2.5 times. Yuri