PCIe X8 vs X4 slot speeds for 10Gb fiber

PCIe X8 vs X4 slot speeds for 10Gb fiber pcie 3 0 x4 slot PCIe x2, PCIe x4, PCIe x8, and PCIe x16 These figures represent the PCIe 3 x16 slot The extra lanes can be used to add more pcie slot for gpu The speed of PCIe is approximately GBs My But performance wise, i'm oké with duo nic networkcard in pcie x4 slot you think?

pcie slot for gpu If three slots are in use, the third is x4 From the Asrock specs page

pcie x16 expansion slot B650M-HDV · Build for The Most Advanced PC · Optimized VRM Design · DDR5 Memory with Protection Circuit · Reinforced Steel Slot  PCI-e x16 and PCI-e x4 However, most applications tested The third slot is typically a PCI-e x4