lshw (Hardware Lister) is a small tool to provide detailed information about all hardware in your system.
To install lshw, type this command:
yum -y install lshw lshw-gui
By default lshw command generates a long lists of information about your hardware and you don't even need some of its information. To generate a compact report use "-short" option.
lshw -short
This will give you summarize information about your hardware devices as shown below: