Slim S55 features the SATA III 6 Gbps interface with an impressive read/write speed. Offering incredible performance at a surprisingly affordable price, it is no wonder that S55 is the smart choice for users who are looking to upgrade their system to a SSD.Slim S55 is the Slim series 2.5" SSD for the ultra slim notebook. S55 is powered by the 6 Gbps SATA III interface to further expand computing experiences and mobility.