https://blog.faceutil.com/2017/03/29/%ec%9c%a0%ed%8b%b8%eb%a6%ac%ed%8b%b0-%eb%82%b4-%ed%94%bc%ec%8b%9cpc-%ed%95%98%eb%93%9c%ec%9b%a8%ec%96%b4-%ec%82%ac%ec%96%91-%ed%99%95%ec%9d%b8%ed%95%98%ea%b8%b0-speccy-aida64-cpuz-gpuz-%d1%8f/