(gwmi -Namespace root\wmi -Class mpio_disk_info).driveinfo | % {Write-host "Name: $($_.name) Paths: $($_.numberpaths)"}
Name: MPIO Disk0 Paths: 2
Name: MPIO Disk1 Paths: 2
Name: MPIO Disk2 Paths: 2
Name: MPIO Disk3 Paths: 2
Name: MPIO Disk4 Paths: 2