the highest i had on day was 110 degrees, i did it on purpase, took out hte fan plug but it was still recording the tempreture, it was a hot day and i made my computer run a lot of programs and made it do virus and spyware scans when it reached 110 degrees im like, im not taking it any further i knew it was gonna blow but it didnt. i wasn't smart then lol. oh yah, thats 110 degrees celcius!!!!!