Computer Chassis Values

Value	Description
1	Other
2	Unknown
3	Desktop
4	Low Profile Desktop
5	Pizza Box
6	Mini Tower
7	Tower
8	Portable
9	Laptop
10	Notebook
11	Hand Held
12	Docking Station
13	All in One
14	Sub Notebook
15	Space-Saving
16	Lunch Box
17	Main System Chassis
18	Expansion Chassis
19	Sub Chassis
20	Bus Expansion Chassis
21	Peripheral Chassis
22	Storage Chassis
23	Rack Mount Chassis
24	Sealed-Case PC

PowerShell Script to know your machine chassis type

$computer = $env:COMPUTERNAME

$namespace = "ROOT\CIMV2"

$classname = "Win32_SystemEnclosure"

Write-Output "====================================="

Write-Output "COMPUTER : $computer "

Write-Output "CLASS    : $classname "

Write-Output "====================================="

Get-WmiObject -Class $classname -ComputerName $computer -Namespace $namespace |

    Select-Object * -ExcludeProperty PSComputerName, Scope, Path, Options, ClassPath, Properties, SystemProperties, Qualifiers, Site, Container |

    Format-List -Property [a-z]*

Step 1: Open PowerShell 

Step 2: Paste the above script all at once (use Ctrl + v) and then press Enter

Step 3: Locate ChassisTypes and match it with the above table.

Reference:ChassisTypes