apg slotAn AGP 3.3V motherboard connector can only accept AGP cards which have the 3.3V slot. If you try to insert a card without a 3.3V slot into an AGP 3.3V motherboardHowever, it is installed on a AGP slot on my Gabyte GA-6VTXE-A Rev. 1.x without any 8X. Thus, this Nvidia VGA Card can be installed on AGP 8X without any problems