Home > Storage > PowerVault > Guides > Dell PowerVault ME5 Series: VMware Horizon VDI Best Practices > Block storage
PowerVault presents storage to external hosts through block interfaces. Block storage is the most commonly used datastore path for virtual machines due to the various speeds and protocols that are offered, making it ideal for performance. PowerVault supports 12 Gb SAS, 10/25 GbE, and 16/32 Gb FC connections for broad compatibility and performance requirements.