Yes the asus board does have an issue with certain nvidia graphics boards it causes the machine to blue screen at the windows7 installation hardware detection element. This caused me much frustration but the fix is to install win7 up to the point it has copy and expanded all the files and it wants to restart, after it restarts turn it off and remove the nvidia card. Then switch it back on and let it continue installing without the gpu. Leave it for a while to let it finish then switch off and put card back in. Then it will boot into windows and you must install the latest nvidia driver off the web and all is good the board just doesnt like the nvidia driver that comes with win7 its a ballache but works. I have looked at the X9DAi myself but you have to remember that asus boards are the best if running ES chips. I wouldnt even be that confident that the X9DAi would boot up with your chips. If the chips are unmarked like yours it means that they were used internaly for testing by intel technicians/partners and that means they are early chips that are not widely distributed. The ES chips that are marked up are distributed more readily to testers/manufacturers, they are later chips more likely to have compatable microcode still in a motherboards bios. The supermicro is not as well made as the asus with crap cooling on the vrms and chipset basicaly dont bother and get the asus as it is a great board trust me and you realy dont want to run anything else with ES chips as they are a lottery and asus gives you the very best chance of winning. P.S. the asus also has onboard graphics you just have to buy a vga adapter cable/bracket off them to use it which is compltetely ridiculous at this price point.