So I'm building my first rig and I have everything but the video card atm. I have the i5 3570k so if I was to put everything together will it post without the video card?
You just plug it in. Default primary graphics adapter is pci-e card, if it is not found then pci and onboard are used. There is an option in BIOS to select primary graphics adapter, but you don't need to touch it.