Can I use a 1x PCIe slot?

However, there is usually a cost increase incurred with higher lane counts PCIe Slot Differences Photo from 20050531pci-express-cards

SMB Sequential Throughout 1MB The TS-432X features a PCIe Gen 3 x 4 slot, supporting a variety of expansion cards to maximize application

1 x pcie 40 x16 slot 1 x PCIe x16 slot Note: To ensure compatibility of 1 x PCIe x1 slot

189 slot What Are Small PCIe x1 Slots? PCIe x1 Slots are the smallest of the four PCIe slot standards for motherboards! These slots may not always be present on your