Before a few days, I brought a new Pc which have Intel core i7 CPU, 8GB RAM, Intel DX58S0 Board, Asus HD 7970 Graphic card. It works too smooth and performance is outstanding. I am too happy to use it. I think I need to install some games to take graphical experience with my pc and to check performance of my graphical card. i installed many games and play it 2-3 hours continuously. After playing games I checked temperature of my pc by GPU Tweak. It shows 48 degree Celsius and I worried with this temperature. So, I want to know is it normal or overheated? Please help if Someone have proper knowledge of temperature.