The Crucial m4 SSD delivers powerful performance gains for SATA 6 Gb/s systems. Designed to empower your system, it offers fast application load times, fast boot times, and increased durability. It has a sequential read speed of up to 500 Mbps, for any file type. Built with advanced controller technology, Micron proprietary firmware, and high-speed synchronous MLC NAND, the Crucial m4 SSD is engineered to deliver consistent and speedy performance. No matter what kind of files you're working with, this Crucial SSD delivers high speeds with no drop in performance. It treats all files the same, regardless of whether they're compressed or uncompressed.