I don't see why not. Your board has PCIe 2.0 which should be compatible with your video card. PCIe is backwards/forwards compatible. If your card is 3.0, you might lose on a few features, but should be ok otherwise. http://en.wikipedia.org/wiki/PCI_Express
http://www.asus.com/Motherboards/M4A78TE/specifications/
I don't see why not. Your board has PCIe 2.0 which should be compatible with your video card. PCIe is backwards/forwards compatible. If your card is 3.0, you might lose on a few features, but should be ok otherwise. http://en.wikipedia.org/wiki/PCI_Express
http://www.asus.com/Motherboards/M4A78TE/specifications/
I don't see why not. Your board has PCIe 2.0 which should be compatible with your video card. PCIe is backwards/forwards compatible. If your card is 3.0, you might lose on a few features, but should be ok otherwise. http://en.wikipedia.org/wiki/PCI_Express
http://www.asus.com/Motherboards/M4A78TE/specifications/