Required/Reserved/UtilityBelt/Functions/Get-DiskInfo.ps1

function global:Get-DiskInfo {
    Get-WmiObject -Class Win32_logicaldisk -Filter "DriveType = '3'" | `
    Select-Object -Property DeviceId, DriveType, VolumeName,
    @{L='FreeSpaceGB';E={"{0:N2}" -f ($_.FreeSpace /1GB)}},
    @{L='Capacity';E={"{0:N2}" -f ($_.Size /1GB)}}
}