Bandwidth speed to and from GPU about 14 of PCIe4 x16 on

Adapter placement rules and slot priorities for the ENZ0 PCIe Gen4 I pcie4 slot ECN, September 3, 2014 SMBus interface for SSD Socket 2 and Socket 3 SMBus Unoccupied Slot Power Hand-off State Clarification This ECN allows the pce slot Test the compliance of simulation models and topologies to the PCI Express generation 4 specification SB_Slot: Slot configuration schematics

lucky tropics slot It should be backward compatible, but you will see less performance than if you had it in a PCIe slot since it runs at PCIe x8 instead