PCI Express Gen4 - 3 slot passive backplane

pcie 4 0 in pcie 3 0 slot   Dan pcie 30 x4 slot

A PCIe slot will not bottleneck the card But what CPU are you running? That might be a different story 6162021 EVGA_JacobF Nope

4 Design Ready for PCI Express 1*PCIe x4 & 2* PCIe x4 with Thermal Guard; 1*PCIe x16 with Ultra Durable™ Armor; 2*PCIe x1 5  PCIe Gen for Professionals As mentioned earlier, PCIe is twice as fast as PCIe The same work which can be done by x16 slots of

laravel x-slot Biostar ; 1, 1 x AMD Socket AM4 CPU ; 2, 4 x DIMM DDR4-4933+ ; 3, 4 x SATA III Connectors ; 4, 1 x PCIe x4 Slots ; 5, 1 x PCIe x4 Slots  PCIe slot behaviour with Dual NVMe PCIe adapter slot 2,3,4,5,6 and 7 respectively However, the CPU socket only has three PCIe