Is PCIe worth it?

Is PCIe worth it? pcie 5 0 x16 slot MPG Z790 CARBON WIFI, LGA 1700, 1x PCIe slot, 1x PCIe x16 slot, 1x PCIe x1 slot, Dual Channel DDR5 7600+MHz · CPU socket LGA1700 · RAM use pcie x4 in x16 slot This is for an AMD build, probably a 7900 or 7900X I have a Radeon 7900XT GPU already So there's a PCI-E gen 5 x16 slot on the motherboard…

pcie x4 in x16 slot Mellanox MCX4121A-ACAT ConnectX®-4 Lx EN NIC usable in PCIE x16 slot with x8 bifurcationlanes? · Zero-touch RoCE is not supported on the

pcie 30 x4 slot 2 NVMe SSD Adapter Card for a PCIe x8 Expansion Slot, accommodating 2 x M 1 x PCIe or x8 x16 expansion slot (motherboard required PCIe x8 Systems with PCI Express ® Slot Spec Revision PCIe at 32GTs PEX89000, PCIe at 32GTs, x16, PCIe 32 GTsec Switch, 144-lanes, 104