Question: what is the difference between m.2 sata and pcie?
Answer: 2 PCIe SSDs faster than M. 2 SATA? The PCIe interface is faster, as the SATA 3.0 spec is limited to ~600MB/s maximum speed, while PCIe Gen 2 x2 lanes is capable of up to 1000MB/s, Gen 2 x4 lanes is capable of up to 2000MB/s, and Gen 3 x4 lanes of up to 4000MB/s.