P27F Series (x16/x8/x4/x1) Flexible x16 PCI Express Extender
File:Pci Express Slot.png - Wikimedia Commons
Amazon.com: ADT-LINK Riser PCI-E 3.0 16x to x1 PCIe x16 x1 PCI Express Riser Mining Graphics Card Extension Cable R13SC 25cm with Power Line (No Power Cable) : Electronics
Twenty Years of PCI Express: The Past, Present, and Future of the Bus - News
Delock Products 90435 Delock PCI Express x16 Card to 5 x internal M.2 Key B / SATA