chenyang M.2 NVME to PCIe 3.0 X1 Adapter NVME/AHCI SSD to PCI Express Expansion Card Adapter

This is a PCIe ×1 slot. You can use any M.2/PCIe ×1 adapter like the Glotrends PA09-X1, or this vertical one if you do not want to block the GPU's fans.