how about this one?will this work?
motherboard:gigabyte GA-990XA udr3
processor:amd fx x6-6100
cooler:coolermaster hyper 2012 evo
graphic card:gainward geforce GTS 450 2 gb ddr3
Yeah, that's all compatible and should work fine! However, one thing to bear in mind is that the motherboard MAY need a BIOS update in order to make it work with the AMD FX Chips. It's definitely compatible with FX chips, but it doesn't necessarily mean it's compatible straight out of the box.