slot pcie x16 ✓ 4 x PCI Express x16 Intel Motherboards

By you sticking a UAD-2 card into the second slot, the motherboard detects this and automatically throttles the first slot down to 8x assuming you have stuck inslot pcie x16,Yes, you can plug in in and it will work fine Long version: Three things are important for PCIe connection: Any combination of card and slotconnector_on_MB

‌PCIe X16 Golden Edge to PCIe X16 Slot Adapter Features : PCIe x16 card edge PCIe x16 slot PCIe Gen 3 16 lanes signals of PCIe designated 4 Layer PCB slot pcie x16,features PCIe card cage 20x full-size card slots; 4x PCIe x16 Gen from CPU; PCIe x16 Gen to each slot; Active air flow from edge to bracket; Power

slot pcie x16,PCIe cards can always operate in PCIe slots with the same or more lanes than the card For example, an x8 card can operate in a slot with x8, x16, or x32 lanes