In Which PCIe Slots of My Motherboard Can I Place My NI PCIe Card?

What is PCIe x4 Slot pcieslot Specifications x 1 pcieslot It seems the card needs some firm adjustment when fitting to ensure the screw slots for the back plate align Then when the back plate is firmly

pcieslot PCIe Adapter Riser Card adds four short , 8x PCIe Gen2 low