So is it the intel xeon x3480All of these CPU's are supported by that motherbaord
http://www.cpu-upgrade.com/mb-Intel/DQ57TM.html
OK thanksThese are all you want to use for any kind of competitive gaming.
Xeon's
X3480
X3470
X3460
i7's
i7-875K
i7-870
i7-860
You can't overclock on that board other than some minor base clock jumps so expect the FPS to be inline with 4th to 6th gen i3's.