PCIe x8 Gen3 Embedded Cable Adapter - One Stop Systems
Amazon.com: MAIWO M.2 NVMe SSD to PCIe 3.0 X16/X8/X4 Adapter Converter Card Support M.2 Hard Drive Speed Up,2230 2242 2260 2280,Compatible with Windows 7/8/10 & Linux : Electronics
Titan X Performance: PCI-E 3.0 x8 vs x16 | Puget Systems
PCIe 3.0 x8 vs. x16: Does It Impact GPU Performance? | GamersNexus - Gaming PC Builds & Hardware Benchmarks
Pci Express Pcie 3.0 X8 To X16 Riser Card Extension Cable 8gbps High Speed Pci Express 16x Ribbon Extender 90 Degree Right Angle - Add On Cards & Controller Panels - AliExpress