What is the purpose of AGP slot?

What connector is this? Thought it was AGP but it doesn't seem to fit agp slot function It directly connected the card and memory through a single motherboard slot AGP was invented as a faster alternative to PCI, freeing up a PCI slot for another agp expansion slot Accelerated Graphics Port slots are used mainly for video card use, for a high-speed, accelerated 3D graphics video as AGP gives a direct connection

agp slot meaning Either it's a PCI or PCIe The only reason that motherboard could have an AGP slot, is if the motherboard is custom built with that function in