CPU-Z
freeware standalone application which gives users all information
... because it runs on a CPU and low memory, it does not have a negative effect on computer performance. It works smoothly without interrupting users work and shows all information without compelling Windows to break error messages, interrupts, or pop-ups. It is capable of old and modern systems so no worries for old golden systems. Information about Motherboard, COU, Memory and also DirectX Version. It has convenient installation and one of its features is an easy-to-use graphical interface.