VirtualBox plugin - Location VM's

You pick the partition and it will tell you the actually mount location on the plugins page.

Zitat von "14skillz"

so i can install OMV on the same SSD where i store my VM's?

Nope. Once OMV and virtualbox are installed, you can pick one of the partitions other than the OMV partition. If you want to use the SSD, look here