items in your quote.
Vantec UGT-M2PC100 ADP M.2 NVMe SSD PCIe x4 Adapter
Support M.2 (NGFF) PCIe based (NVMe or AHCI) SSD to PCIe x4 slot
Support M.2 interface with M key, do not support M+B key
Support different length M.2 (NGFF) card, 22x42mm, 22x60mm or 22x80mm
Adapter supports PCI Express v3.0 Specs and compatible with v2.0 / v1.0