Question about Gembird Desktop USB Type-C M.2 SATA NVME

Good morning
Yes, see manufacturer:
Speed in M.2 SATA protocol : M.2 NGFF 5Gbps
Speed in M.2 PCIe protocol : M.2 NVMe 10Gbps

I cannot answer this question. At the manufacturer (very easy to find by the way) the following line in the specification: Speed in M.2 PCIe protocol : M.2 NVMe 10Gbps