High performance, high security: MSI's all new CX640 & CR640 multimedia notebooks feature new generation, high performance Intel second generation Core i™ processors. The powerful CX640 & CR640 require only half the time of other notebooks to boot up. Multimedia file conversion, synchronization, and compilation capabilities have been greatly enhanced. Security was a top priority in the design of the CX640 & CR640 multimedia laptops as is evidenced by the structural design reinforced to enhance hard disk shock protection. What's more, MSI's Time Stamp backup and recovery completes data backup in seconds, so your data is also more secure. With one layer of hardware protection and one layer of software protection, you can rest assured that your data is fully safeguarded. Best choice for multimedia: MSI's CX640 & CR640 come with new generation SRS PC Sound™ for natural, wrap around, high fidelity sound whether you use the built-in speakers, external ones, or headsets. So after a hard day of work or study, these laptops are designed to satisfy your need for crisp, clear sound. The CX640 & CR640 also feature MSI's own ECO power saving technology, providing you up to 8 hours of extended battery use per charge.