PowerShell/Scripts/check-ram.ps1

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<#
.SYNOPSIS
Checks the RAM
.DESCRIPTION
This PowerShell script queries and prints details of the installed RAM.
.EXAMPLE
PS> ./check-ram
.LINK
https://github.com/fleschutz/PowerShell
.NOTES
Author: Markus Fleschutz | License: CC0
#>
function GetRAMType { param([int]$Type)
switch($Type) {
2 { return "DRAM" }
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5 { return "EDO" }
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6 { return "EDRAM" }
7 { return "VRAM" }
8 { return "SRAM" }
10 { return "ROM" }
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11 { return "Flash" }
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12 { return "EEPROM" }
13 { return "FEPROM" }
14 { return "EPROM" }
15 { return "CDRAM" }
16 { return "3DRAM" }
17 { return "SDRAM" }
18 { return "SGRAM" }
19 { return "RDRAM" }
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20 { return "DDR" }
21 { return "DDR2" }
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22 { return "DDR2 FB-DIMM" }
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24 { return "DDR3" }
26 { return "DDR4" }
27 { return "DDR5" }
28 { return "DDR6" }
29 { return "DDR7" }
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default { return "RAM" }
}
}
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function Bytes2String { param([int64]$Bytes)
if ($Bytes -lt 1000) { return "$Bytes bytes" }
$Bytes /= 1000
if ($Bytes -lt 1000) { return "$($Bytes)KB" }
$Bytes /= 1000
if ($Bytes -lt 1000) { return "$($Bytes)MB" }
$Bytes /= 1000
if ($Bytes -lt 1000) { return "$($Bytes)GB" }
$Bytes /= 1000
if ($Bytes -lt 1000) { return "$($Bytes)TB" }
$Bytes /= 1000
if ($Bytes -lt 1000) { return "$($Bytes)PB" }
$Bytes /= 1000
if ($Bytes -lt 1000) { return "$($Bytes)EB" }
}
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try {
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if ($IsLinux) {
# TODO
} else {
$Banks = Get-WmiObject -Class Win32_PhysicalMemory
foreach ($Bank in $Banks) {
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$Capacity = Bytes2String($Bank.Capacity)
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$Type = GetRAMType $Bank.SMBIOSMemoryType
$Speed = $Bank.Speed
[float]$Voltage = $Bank.ConfiguredVoltage / 1000.0
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$Manufacturer = $Bank.Manufacturer
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$Location = "$($Bank.BankLabel)/$($Bank.DeviceLocator)"
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"✅ RAM $Capacity at $Location ($Type, $($Speed)MHz, $($Voltage)V, $Manufacturer)"
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}
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}
exit 0 # success
} catch {
"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
exit 1
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}