Amazon.com: REDLUX PCIe 3.0 to NVMe (4) M.2 Adapter for M.2 (M Key) SSD, X16,Compatible with PCIe 3.0 Motherboards and Backward Compatible with PCIe 2.0 and PCIe 1.0 : Electronics
950 Pro on PCI 2.0 vs 3.0 - TR Forums
Amazon.com: Pcie Nvme Adapter, PCIe 2.0 PCIe 1.0 Nvme SSD Adapter Fast Transfer PCI Express X4 for 2.5inch NVMe SSD : Electronics
PCI-E 3.0 x1 Lane to M.2 M-Key SSD Nvme AHCI PCI Express Adapter Card PCIE SSD | eBay
Amazon.com: NVME PCIe x16 Adapter, ELECTOP M.2 Key-M SSD to PCI 3.0 Express Expansion Card, Support 2230/2242/2260/2280 with Heat Sink, Compatible with Windows XP / 7/8 / 10 & MAC OS System : Electronics
NVMe SSD M2 PCIE X1 Raiser PCI-E PCI Express M Key Connector Supports 2230 2242 2260 2280 M.2 SSD Full Speed PCIE to M2 Adapter