Ok so im upgradin a old hp pavvilion and the motherboard i have is a h-ig41-uatx and im planning on getting a 8.35 inch gigabyte radeon hd 7770 oc rev 2.0 and i dont know i itll fit in my motherboard thanks
That motherboard support PCI-E 2.0 that is the same interface that use the 7770, so, you should not have any problems always that you get the correct PSU.