Adata premier pro sp920 512gb 25 inch sata 6gbs ssd the premier pro sp920 series ssd is designed to meet the high performance requirements of multimedia file transfers it is equipped with the latest generation marvell controller implementing the sata iii 6gbsec specification strict selection of flash memory chips allows for the enhancement of overall system efficiency and speed especially for the transmission of multimedia files uncompressed data 4kb random read write speeds of up to