Can I install a pcie x1 card in full size pcie slot?

PCI Express X1 to X16 Low Profile Slot Extension Adapter - PCIe x1 to x16 Adapter - PCIe x1 to PCIe x16 slot adapter

I see various mobos with, for example, 'half-length' PCIe x16 slots But this is a contradiction in terms A PCIe x16 slot by definition is

pcie slot length The short answer is yes You can plug a PCIe x1 card into the PCIe x16 slot A PCIe x1 card can be plugged into any larger slot and will

pcie2 slot So, to answer your original question, if you're happy to abandon any other PCI devices you currently have, you can choose a motherboard with more PCIe x1 slots;