ST 2P6GR-PCIE: PCIe x2 > 2x SATA, RAID 0 - 1 - span, JBOD at reichelt elektronik
Dual-core embedded PC offers PCI/PCIe expansion options
USB 3.1 PCIe X2 Host Controller Card - Coolgear
Amazon.com: PCIe Gen3 x2 USB 3.2 / 3.1 Card ASM3142- PCI Express to 4-Port Type C HUB Internal Expansion Card Controller Adapter PCI Express Card Desktop PC Support Multiple INs : Electronics
NVMe PCIe x4 x2 M.2 NGFF SSD to PCIe x1 converter card adapter PCIe x1 to `US | eBay
NVMe PCIe x4 x2 M.2 NGFF SSD to PCIe x1 converter card adapter PCIe x1 to M.2 New Arrival