Corsair Vengeance Issues

[techjoe]

Okay so straight to it. My ram from my system had troubled me since the day I got it. Blue Screening all the time. yadda yadda. but i have another system with the same ram. (this is before i knew what might be causing my problems) i had switched out the set of ram (2 4gb sticks)  and stress tested my machine for hours. and low and behold seems to be my ram.(I tested all 4 sticks separately, my 2, and the other 2. Both of mine quickly bluescreened. the others did not). 

 

But the funny thing is. when i put the ram that WAS in my system in the other machine. It did just fine. that computer had no troubles. what does this mean? my motherboard my not like my ram for some reason? or some other underlying issue? Im mainly curious. but as for now both machines are running great after swapping the ram. This was important to me to have my main system running good cause i Record bands and produce music. 

Thanks in advance for any comments and knowledge.