Quote:
Originally Posted by psyco™

I dont think any of them fit a am3 socket my board is a crosshair 3 formula
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They do. Have a look at the page that Dr216 linked, in the description of all of the blocks there is a list of the socket compatibility, most of them fit AM3 sockets.
As for the board, you can even get a
full board block for it from EK, so it is not like the CPU blocks won't fit.