Curretnly running a lynnfield core i7 860 w 8 g of ddr3 dual channel 1860 ripjaw ram, 1 tb hd, 2x unlocked 6950s, and a 1000w bfg psu. My motherboard is currently the GA-P55-UD3P-rev 1, an older board..... I currently have it at 4 ghz on air w the oc thermaltake frio heatsink fan. Running windows 7 64 bit. I have a MSI Big Bang Fuzion Motherbaord in route back from its rma, it was doa. So what I am wondering these boards are both 1156 socket, and im keeping all the same components cept my mobo. WIll i need to reintall or revalidate windows. Im in the dark, and every site says something differenet. I would like people with vast knoledge to answer, and plase no guess work, this is my gaming rig, used for work, etc