128 GB storage capacity and high-speed connectivity. This SSD is based on the 19nm MLC NAND flash architecture for fast and consistent performance. With a SATA 6 Gb/s interface, sequential read speeds can reach as high as 505 MB/s and write speeds up to 330 MB/s. You can also achieve random read and write speeds of 86,000 and 55,000 IOPS, respectively. As an ACS-3 drive, this SSD supports ATA command features like power management and S.M.A.R.T.