Model Name NT-256 Dimensions (L x W x H) L80.0mm*W22.0mm*H3.0mm ± 0.5mm Interface M.2 Capacity 256GB Sequential Read (Max*) Up to 570MB/s Sequential Write (Max*) Up to 540MB/s Max Random 4k Read 83500 IOPS Max Random 4k White 68700 IOPS