The perfect upgrade for high speed personal computing, home office, gaming, and personal photography - the OWC Mercury Electra 6G SSD is one of the fastest internal SATA 2.5" SSDs avialable today. This internal 2.5" SATA SSD uses the latest SandForce 2181 Processor and DuraClass» technology to deliver the highest transfer speed, endurance, and performance available today with sustained reads up to 556MB/s and writes up to 523MB/s, up to 100X greater data protection than enterprise class Hard Disk Drives. With no moving parts the Mercury Pro results in a quiet, cool, highly ruggedest storage solution that also offers faster system responsiveness. Make the jump from traditional platter hard drives to solid state drives and you"ll never go back after you see how quick your computer becomes!