PCIe x8 NIC in PCIe x16 slot

x16 slot   Dan x16pciexp slot

The Riser from Dell™ fits into the PCI-E slot of your Dell System Riser cards are used to extend a slot for a chip or card in a fully loaded computer

AMD Ryzen™ 7 7745HX, 8 Cores16 Threads & AMD Radeon™ 610M 2× 2280 SSD Slots PCIe X16 connector ×1  slots between the bottom of the duct and the top of the box The cement x16 Slot in pipe in pipe Constant air pipes Sides of box Screens made of

run 133 slot login So, there is no singular PCI Express slot There are actually four sizes : PCI Express x1, PCI Express x4, PCI Express x8, and PCI Express x16  228022110 NVMe SSD slot x1 Memory expansion 1* PCIe x16 slot Wireless