The Crucial Technology M4 64 GB is an internal solid state drive that fulfills the varied storage needs of high growth and application driven environments. With sequential read and write speeds up to 550/95 MBps, this Crucial Technology SSD proves advantageous in terms of access speed. The 2.5-inch form factor consumes less power, making the Crucial Technology M4 suitable for laptops, especially when running on battery power. Adding to the excellent storage, backup, and archiving abilities of this internal solid state drive is its SATA interface that offers high-speed data transfers. Absence of moving parts in this Crucial Technology SSD results in a quieter and cooler operation.