Consistent 256GB NVMe PCIe M.2 SSD 2280, 3D NAND with SLC Cache, Up to 2200MB/s, 5 Years WarrantyUse the electronic chip control to replace traditional mechanical structure and provide high data security 3D NAND flash optimizes the capacity, Performance and stability High speed PCIe Gen 3x4 interface with read speeds up to 2,200MB s and write speeds up to 1,600MB s. Supports NVMe 1. 3, Host Memory Buffer (HMB), and SLC Cache to deliver high and efficient performance PCIe Gen 3. 0 x4 NVMe, Next Level Performance MTBF is Expressed in 2 Million