A x1 PCIe card can be detected in pcie x16 slot?

pcie 1x slot   Dan pcie 2 slot

The NVMe PCIe card allows you add PCI-e NVMe SSD to your motherboard without slot, perfect solution for PC upgraded Up to 3200+ MB

The PCI Express x1 to x16 adapter accommodates low profile x2, x4, x8, x12 or x16 PCI Express cards, eliminating the cost and hassle of upgrading a PCIe card or Ever wondered how you can jam a PCIe 16x card like a video card into a PCIe 1x slot? Now you

winning at slot machines Yes, all PCI-E x1 cards will run in a x4, x8 and x16 slot I ran my wireless PCI-E x1 card in the 3rd x16 slot in my Maximus Extreme  It is a serial bus point-to-point protocol General processors use the smallest PCI x1 slots Graphic cards use the longest PCI x16 slots PCIe x1 interface has