The Computer System Hardware category groups classes together that represent hardware related objects. Examples include input devices, hard disks, expansion cards, video devices, networking devices, and system power.
The Cooling Devices subcategory groups classes that represent instrumentable fans, temperature probes, and refrigeration devices.
The Input Devices subcategory groups classes that represent keyboards and pointing devices.
Classes in the Mass Storage subcategory represent storage devices such as hard disk drives, CD-ROM drives, and tape drives.
The Motherboard, Controllers, and Ports subcategory groups classes that represent system devices. Examples include system memory, cache memory, and controllers.
| Class | Description |
| Win32_1394Controller | Represents the capabilities and management of a 1394 controller. |
| Win32_1394ControllerDevice | Relates the high-speed serial bus (IEEE 1394 Firewire) Controller and the CIM_LogicalDevice instance connected to it. |
| Win32_AllocatedResource | Relates a logical device to a system resource. |
| Win32_AssociatedProcessorMemory | Relates a processor and its cache memory. |
| Win32_BaseBoard | Represents a baseboard (also known as a motherboard or system board). |
| Win32_BIOS | Represents the attributes of the computer system's basic input or output services (BIOS) that are installed on the computer. |
| Win32_Bus | Represents a physical bus as seen by a Windows operating system. |
| Win32_CacheMemory | Represents cache memory (internal and external) on a computer system. |
| Win32_ControllerHasHub | Represents the hubs downstream from the universal serial bus (USB) controller. |
| Win32_DeviceBus | Relates a system bus and a logical device using the bus. |
| Win32_DeviceMemoryAddress | Represents a device memory address on a Windows system. |
| Win32_DeviceSettings | Relates a logical device and a setting that can be applied to it. |
| Win32_DMAChannel | Represents a direct memory access (DMA) channel on a computer system running Windows. |
| Win32_FloppyController | Represents the capabilities and management capacity of a floppy disk drive controller. |
| Win32_IDEController | Represents the capabilities of an Integrated Drive Electronics (IDE) controller device. |
| Win32_IDEControllerDevice | Association class that relates an IDE controller and the logical device. |
| Win32_InfraredDevice | Represents the capabilities and management of an infrared device. |
| Win32_IRQResource | Represents an interrupt request line (IRQ) number on a Windows computer system. |
| Win32_MemoryArray | Represents the properties of the computer system memory array and mapped addresses. |
| Win32_MemoryArrayLocation | Relates a logical memory array and the physical memory array upon which it exists. |
| Win32_MemoryDevice | Represents the properties of a computer system's memory device along with its associated mapped addresses. |
| Win32_MemoryDeviceArray | Relates a memory device and the memory array in which it resides. |
| Win32_MemoryDeviceLocation | Association class that relates a memory device and the physical memory on which it exists. |
| Win32_MotherboardDevice | Represents a device that contains the central components of the computer system running Windows. |
| Win32_OnBoardDevice | Represents common adapter devices built into the motherboard (system board). |
| Win32_ParallelPort | Represents the properties of a parallel port on a computer system running Windows. |
| Win32_PCMCIAController | Manages the capabilities of a Personal Computer Memory Card Interface Adapter (PCMCIA) controller device. |
| Win32_PhysicalMemory | Represents a physical memory device located on a computer as available to the operating system. |
| Win32_PhysicalMemoryArray | Represents details about the computer system's physical memory. |
| Win32_PhysicalMemoryLocation | Relates an array of physical memory and its physical memory. |
| Win32_PNPAllocatedResource | Represents an association between logical devices and system resources. |
| Win32_PNPDevice | Relates a device (known to Configuration Manager as a PNPEntity), and the function it performs. |
| Win32_PNPEntity | Represents the properties of a Plug and Play device. |
| Win32_PortConnector | Represents physical connection ports, such as DB-25 pin male, Centronics, and PS/2. |
| Win32_PortResource | Represents an I/O port on a computer system running Windows. |
| Win32_Processor | Represents a device capable of interpreting a sequence of machine instructions on a computer system running Windows. |
| Win32_SCSIController | Represents a small computer system interface (SCSI) controller on a computer system running Windows. |
| Win32_SCSIControllerDevice | Relates a SCSI controller and the logical device (disk drive) connected to it. |
| Win32_SerialPort | Represents a serial port on a computer system running Windows. |
| Win32_SerialPortConfiguration | Represents the settings for data transmission on a Windows serial port. |
| Win32_SerialPortSetting | Relates a serial port and its configuration settings. |
| Win32_SMBIOSMemory | Represents the capabilities and management of memory-related logical devices. |
| Win32_SoundDevice | Represents the properties of a sound device on a computer system running Windows. |
| Win32_SystemBIOS | Relates a computer system (including data such as startup properties, time zones, boot configurations, or administrative passwords) and a system BIOS (services, languages, and system management properties). |
| Win32_SystemDriverPNPEntity | Relates a Plug and Play device on the Windows computer system and the driver that supports the Plug and Play device. |
| Win32_SystemEnclosure | Represents the properties associated with a physical system enclosure. |
| Win32_SystemMemoryResource | Represents a system memory resource on a Windows system. |
| Win32_SystemSlot | Represents physical connection points including ports, motherboard slots and peripherals, and proprietary connections points. |
| Win32_USBController | Manages the capabilities of a universal serial bus (USB) controller. |
| Win32_USBControllerDevice | Relates a USB controller and the CIM_LogicalDevice instances connected to it. |
| Win32_USBHub | Represents the management characteristics of a USB hub. |
The Networking Devices subcategory groups classes that represent the network interface controller, its configurations, and its settings.
The Power subcategory groups classes that represent power supplies, batteries, and events related to these devices.
The Printing subcategory groups classes that represent printers, printer configurations, and print jobs.
The Telephony subcategory groups classes that represent "plain old telephone" modem devices and their associated serial connections.
The Video and Monitors subcategory groups classes that represent monitors, video cards, and their associated settings.
| Class | Description |
| Win32_DesktopMonitor | Represents the type of monitor or display device attached to the computer system. |
| Win32_DisplayConfiguration | Represents configuration information for the display device on a computer system running Windows. This class is obsolete. In place of this class, use the properties in the
Win32_VideoController,
Win32_DesktopMonitor, and CIM_VideoControllerResolution classes. |
| Win32_DisplayControllerConfiguration | Represents the video adapter configuration information of a computer system running Windows. This class is obsolete. In place of this class, use the properties in the
Win32_VideoController,
Win32_DesktopMonitor, and CIM_VideoControllerResolution classes. |
| Win32_VideoConfiguration | This class has been eliminated from Windows XP and later operating systems; attempts to use it generate a fatal error. In place of this class, use the properties contained in the
Win32_VideoController,
Win32_DesktopMonitor, and CIM_VideoControllerResolution classes. |
| Win32_VideoController | Represents the capabilities and management capacity of the video controller on a computer system running Windows. |
| Win32_VideoSettings | Relates a video controller and video settings that can be applied to it. |