PCIe x4 into x16, but what about the transfer speeds?

Yes, it works just fine, obviously it's only work at x4 speed I would check whether the x16 slot can handle the power load of the

Have you ever thought if you can plug PCI Express cards into x16 lane slot? In this video

candy bar slot There are basically three four different types of PCIe slots: x1, x4, x8, and x16 does it

can you put a pcie x1 in a x16 slot Next Generation Storage：1*PCIe x4 and 2*PCIe x4 Connectors EZ-Latch：PCIe x16 Slot & Connectors with Quick Release & Screwless Design