Plextor M6S Series 128GB 256GB 512GB 2.5 Inch Internal Solid State Drive Specification: Capacity 128 GB Interface : SATA 6GB\/s Built and optimized for real world usage， providing consistent and leading performance as one of the best upgrades to your system Greatly reduce boot-up and shut-down times， launch applications on the fly， and feel perfectly at ease opening and saving large and unwiedly files. Sequential Read Speed: 520 MB\/s - Sequential Write Speed: 300 MB\/S - Random Read Speed: 88，000 IOPS - Random Write Speed: 75，000 IOPS Package Included: 1 x Plextor M6S Solid State Drive