EDGE Memory PE249250 480GB 2.5" E3-V SSD - SATA 6Gb/s Performance - ultra-fast read and write speeds - performance gains in file access, application loading and more. SLC cache and external DRAM dramatically boosts speeds in everyday tasks Durable - No moving parts - more durable and reliable than traditional Hard drives that use a spinning Disk Low power consumption- longer notebook battery life, more energy efficient, and runs cooler than Hard drives Dependable - includes a suite of reliability and durability Features to enhance data efficiency and to increase the lifespan of the Drive