PCIe 3.0 x8 vs. x16: Does It Impact GPU Performance? - YouTube
DELOCK 90409: Converter PCIe x8 - x16 > 4x M.2 Key M at reichelt elektronik
New Version PCIe 4.0 x8 To M.2 NVMe Extension Cable 64G/Bps High Speed EMI Shielded M.2 M Key SSD To Gen4 8x Riser Ribbon Cards|Computer Cables & Connectors| - AliExpress
P27F Series (x16/x8/x4/x1) Flexible x16 PCI Express Extender
Titan X Performance: PCI-E 3.0 x8 vs x16 | Puget Systems
hardware - What's the bandwidth and form factor for PCIe x1 x4 x8 and x16? - Server Fault