Don't believe all the hype about PCIe - -

Transparent Host & Target SFF-8644 PCIe Adapter pcie 5 0 x16 slot ASUS Hyper x16 Gen5 Card Supports Four NVMe Devices up to 512 Gbps for AMD and Intel® Platform RAID Functions pcie slot pinout 2 x PCIe x16 slots ** Intel® Z790 Chipset 1 x PCIe x16 slot * Please check the

pcie slot x16 : PCIe x16 full speed, 256Gbps Application: PCIe x16 graphics card to PCIe x16 slot extension cable Package Includes: 1 x PCIE 16X