1X(New 4 Ports PCIe Riser Adapter Board PCI-E 1x to 4 USB 3.0 PCI-E Rabbet GPU 192948061806 | eBay
Amazon.com: Thermaltake TT Gaming PCI-E x16 3.0 Black Extender Riser Cable 200mm AC-053-CN1OTN-C1, Support both AMD and Intel motherboard : Electronics
TT Gaming PCI-E 3.0 X16 Riser Cable | ttpremium
PCI-E Riser Card+Cable 1X to 16X Graphics Extension Ethereum 6PIN/4PIN USB3.0 GPU Riser for Windows XP LINUX PCI-E 1x to 16x 60cm USB 3.0 Riser Cable Multi-interface Riser - Walmart.com
DELOCK 41427: Riser card PCIe x1 > 4 x x16, 60 cm USB cable at reichelt elektronik