Get physical memory device detailed info on Windows

Get-PhysicalMemory.ps1

<#
.DESCRIPTION
Get physical memory (RAM) detailed information
#>

using namespace System.Collections.Generic

$memoryType = [Dictionary[int,string]]::new()
$memoryType.Add(0,"Unknown")
$memoryType.Add(1,"Other")
$memoryType.Add(2,"DRAM")
$memoryType.Add(3,"Synchronous DRAM")
$memoryType.Add(4,"Cache DRAM")
$memoryType.Add(5,"EDO")
$memoryType.Add(6,"EDRAM")
$memoryType.Add(7,"VRAM")
$memoryType.Add(8,"SRAM")
$memoryType.Add(9,"RAM")
$memoryType.Add(10,"ROM")
$memoryType.Add(11,"Flash")
$memoryType.Add(12,"EEPROM")
$memoryType.Add(13,"FEPROM")
$memoryType.Add(14,"EPROM")
$memoryType.Add(15,"CDRAM")
$memoryType.Add(16,"3DRAM")
$memoryType.Add(17,"SDRAM")
$memoryType.Add(18,"SGRAM")
$memoryType.Add(19,"RDRAM")
$memoryType.Add(20,"DDR")
$memoryType.Add(21,"DDR2")
$memoryType.Add(22,"DDR2 FB-DIMM")
$memoryType.Add(24,"DDR3")
$memoryType.Add(25,"FBD2")

Get-CimInstance -Namespace:"root/cimv2" Win32_PhysicalMemory | %{
    [pscustomobject] @{
        Tag = $_."Tag"
        Caption = $_."Caption"
        Manufacturer = $_."Manufacturer"
        # PartNumber = $_."PartNumber"
        # SerialNumber = $_."SerialNumber"
        Speed = $_."Speed"
        MemoryType = $memoryType[$_."MemoryType"]
        CapacityGiB = $_."Capacity" / 1GB
    }
}

Output like this

> Get-PhysicalMemory.ps1 | ft

Tag               Caption    Manufacturer  Speed MemoryType CapacityGiB
---               -------    ------------  ----- ---------- -----------
Physical Memory 0 物理メモリ Samsung        1600 DDR3                 4
Physical Memory 1 物理メモリ Hynix/Hyundai  1600 DDR3                 4
Physical Memory 2 物理メモリ Hynix/Hyundai  1600 DDR3                 4
Physical Memory 3 物理メモリ Hynix/Hyundai  1600 DDR3                 4

c.f. Win32_PhysicalMemory - MSDocs