PCI-E PCI Express X1 Adapter Riser Card PCI E PCIE X1 to X1 Slot Converter Card 90 Degree for 1U Server Chassis - AliExpress
PCI-E X1 to SATA 3.0 Controller Card, 4-Port SATA III 6Gbps Expansion Cards, Supports PCI-Express (1X 4X 8X 16X) Slot, Support SSD and HDD, for Windows10/7/8/XP/Vista/linux - Newegg.com
Pci-e 1x To X1 Extender Adapter Usb 3.0 Cable Sata Power Pci Express Extender For Pc Motherboard Pcie X1 Slot Riser Add On Card - Add On Cards & Controller Panels - AliExpress
What are Small PCIe x1 Slots Used For?
Amazon.com: Generic 1 to 3 PCI express 1X slots Riser Card PCIe x1 to external 3 PCIe slot adapter PCI-e Port Multiplier Card : Electronics
What are the top uses of PCIe x1 Slots? – Premio Inc
Dual PCI Slot To PCI-E 1X PCIe X1 Adapter Expansion Riser Card For Sound/Tax Control/Capture/Voice/Serial and Parallel Cards