What does PCI Express 2.0 x8 mean? Is this okay for gaming? - Quora
M.2 M Key Nvme SSD to Pci-E 4.0 Adapter, PCI Express 4.0 X16 Card with Aluminum | eBay
Rivo PCI-E Riser PCIe M.2 PCIe SSD to PCIe Express 3.0 x4 Adapter Card - Supports M2 NGFF PCI-e 3.0, 2.0 or 1.0, NVMe or AHCI, M-Key, 2280, 2260, 2242, 2230 Solid State Drives
Amazon.com: ELECTOP NVME PCIe x16 Adapter, 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