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PowerShell Memory - CIM_PhysicalMemory

Check A Computer's Memory with PowerShell's CIM_PhysicalMemory

Our mission to use PowerShell to interrogate a computer's physical memory, to see the properties of that RAM stick(s).  Goals include discovering the capacity, speed and data width.  We also have pure PowerShell goals, to research with Get-member and to control the display with format-table -auto.

Topics for PowerShell Memory

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Trusty Twosome (Get-Help and Get-Member)

When you discover a new PowerShell command, it benefits from being surveyed with what I call the 'Trusty Twosome'.  Research with Get-Help and Get-Member and reveal new scripting possibilities for Get-WmiObject CIM_PhysicalMemory. To see what I mean start with Get-Help.

Preparation with PowerShell's Get-Help

The master cmdlet is Get-WmiObject, and as we will see later, PowerShell's CIM_PhysicalMemory is a class of this object.

# Help with PowerShell WMI object:
Get-Help Get-WmiObject

Note 1: If you prefer examples: help gci -full

Get-Help unearths useful parameters such as -class and -computerName (-computer also works).

Simple Example:  Display CIM_PhysicalMemory

A simple script to display your computer's physical memory.

# A simple command to display CIM_PhysicalMemory
Get-WmiObject CIM_PhysicalMemory

Those with a VBScript, or SQL background may be more familiar with query and select statement.  This achieves the same result, but is only useful if you wished to modify "Select *".

# Display CIM_PhysicalMemory using -query and "Select"
Get-WmiObject -query "Select * from CIM_PhysicalMemory"

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Research Properties with Get-Member

# Properties for PowerShell memory object:
Get-WmiObject CIM_PhysicalMemory |Get-Member

Note 2: If you enjoy aliases: gwmi CIM_PhysicalMemory | gm

Note 3: If you are fond of filters: gwmi CIM_PhysicalMemory| gm -Membertype property

Get-Member (gm) reveals a whole host of properties that you don't normally see in the Device Manager.

Refined Example: Using Properties We Researched with Get-Member

Get-WmiObject -query "Select * from CIM_PhysicalMemory" |`
Format-Table name, Capacity, DataWidth, Speed -auto

Summary: PowerShell Memory CIM_PhysicalMemory

We want to find the computer's physical memory using PowerShell.  In particular, we want the capacity, speed and data width.  Note in passing how we investigated with Get-member and to control the display with format-table -auto.

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See More Microsoft PowerShell WMI Examples:

Home   • PowerShell Get-WmiObject   • Win32_ComputerSystem   • Free WMI Monitor

WMI Class  • [WMI] Type  • Win32_printer   • Win32_product   • SystemRestore   • WMI Services

WMI Disk   • DNS   • Memory  • PowerShell -Filter   • Check Server UpTime   • ConvertToDateTime

Please email me if you have a script examples. Also please report any factual mistakes, grammatical errors or broken links, I will be happy to correct the fault.

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