I'm using Intel DH61BF Classic Series Motherboard.Is that Support PCI Express 3.0 x16 Graphics Card.
What CPU are you using?
If it is a Sandy Bridge 2xxx, it appears to be limited to PCI Express 2.0
An Ivy Bridge CPU 3xxx is capable of PCI Express 3.0.
Core i3 3220 3.30 Ghz Processor.
I does support discrete graphics PCIe 3.0 x16 you can find the specifications here: http://ark.intel.com/products/71617/Intel-Desktop-Board-DH61BF ARK | Intel® Desktop Board DH61BF
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