# One-liner: list the DDR generation(s) detected
$t=@{20='DDR';21='DDR2';22='DDR2 FB-DIMM';24='DDR3';26='DDR4';34='DDR5'}; (Get-CimInstance Win32_PhysicalMemory).SMBIOSMemoryType | % { $t[$_] } | Sort-Object -Unique