Virtualbox 61 Extension Pack Better !!better!! -

USB Passthrough (EHCI/xHCI):

For the optimal virtualization experience, both components should be installed and updated to match the exact version of the core VirtualBox application. Installation and Management virtualbox 61 extension pack better

Provides transparent AES algorithm encryption for your virtual disk images, securing your data even if the VM files are copied to another location. virtualbox 61 extension pack better