TEAMGROUP MP33 M.2 PCIe Solid State Drive uses a high-speed PCIe Gen3 x4 interface and complies with the NVMe 1.3 standard. Crystal Disk Mark: 512GB Read/Write: up to 1,700/1,400 MB/s PCIe 3.0 x4 with NVMe 1.3 Supports SLC Caching technology Ultra High Performance