CIM_SystemDevice - Logical devices may be aggregated by a system. This relationship is made explicit by the CIM

CIM_SystemDevice
Logical devices may be aggregated by a system. This relationship is made explicit by the CIM_SystemDevice association.
NameSpace Path
\ROOT\CIMV2
PROPERTY	SMS_REPORT	CIMTYPE	DESCRIPTION
GroupComponent		Reference	The parent system in the association.
PartComponent		Reference	The logical device that is a component of a system.
SAMPLE DATA INSTANCE
[LOCALE(1033): ToInstance Amended] instance of Win32_SystemDevices { GroupComponent = "\\\\SCCM01\\root\\cimv2:Win32_ComputerSystem.Name=\"SCCM01\""; PartComponent = "\\\\SCCM01\\root\\cimv2:Win32_MotherboardDevice.DeviceID=\"Motherboard\""; };