Form Factor: M.2 2280Interface: PCI-Express 3.0 x2, NVMe 1.3Total Capacity: 256GB*Warranty: Limited 3-yearsSequential Read Speed : up to 1200 MB/s**Sequential Write speed : up to 800 MB/s**HMB (Host Memory Buffer) supportedTRIM & S. M. A. R. T supported