The Plextor M6S is an extremely efficient SSD, capable of reaching 94,000 / 80,000 IOPS* on random read and write, as well as 520 / 440 MB/s* speeds on sequential read and write. Compared to the previous generation the write speed of the M6S 128 GB model has increased by an incredible 50%. The M6S' performance blows any traditional hard drive out of the water and translates into greater improvements in boot times, application execution, gaming experiences, and overall system responsiveness.