The ThinkPad .TB PCIe NVMe M.2 SSD is fully qualfiied on ThinkPad specified systmes with Pcie 3.0 interface standard up to 4 lanes shows much faster performance than previous SATA SSDs. Its sequential performance is up to 3000MB/s for read operation and .700MB/s for write operation by 4 lanes. It is the best component to upgrade your ThinkPad