if i didnt already have everything all dressed and screwed/plugged in id take some pics of the back.
i just used the stock backplate that came with the U120E and stuck it on there. didnt notice anything interfering or out of place and it went on with no problems.
here's the thermalright install page with pics so you can get an idea of how the bracket goes on:
http://www.thermalright.com/a_page/main_support_installation_u120_extreme.htm
so far for me its working like a champ. only installation issue I had was squeezing my hand in the tight space to get it screwed in
i just used the stock backplate that came with the U120E and stuck it on there. didnt notice anything interfering or out of place and it went on with no problems.
here's the thermalright install page with pics so you can get an idea of how the bracket goes on:
http://www.thermalright.com/a_page/main_support_installation_u120_extreme.htm
so far for me its working like a champ. only installation issue I had was squeezing my hand in the tight space to get it screwed in