Will this cooler work on my CPU?

[Ninjaster]

Will the cryorig h7 work on amd phenom ii x4 955? I know my cpu is old but my friend is giving me one.

 

[ThatVietGuy]

The actual CPU doesn't matter - it's the socket type.

Your socket type is AM3 and the Cryorig H7 supports AM3 sockets.

You're good.