Reading Time: 1 minute The last week I’ve realized a new article for the StarWind blog focused on the different types of storage controllers in VMware vSphere (see Storage Controllers in VMware vSphere). To access block-based devices (like virtual disks, CD/DVD-ROM), but also generic SCSI devices, a virtual machine uses storage controllers, which at least one is added by default when you create the virtual machine and the type of it depends by the type of guest OS that you have chosen. You can make several change changes while you are in the creation wizard.