Computer hardware includes the physical parts of a computer system, such as the central processing unit (CPU), random-access memory (RAM), motherboard, computer data storage including hard disk drives (HDD) and solid state drives (SSD), graphics card, sound card, and computer case. It includes external devices such as a monitor, mouse, keyboard, and speakers.
There are also a large number of computer hardware peripheral devices suck as printers, web cameras, USB hubs, headsets, microphones and gaming devices.
Network hardware includes all of the devices used to connect computers to each other in a local environment or across the internet.