Upgrade your laptop for better performance and extend its reliability by replacing your hard disk drive with the SanDisk Extreme SSD. You"ll enjoy faster boot-ups and open files compared to a 7200 RPM hard drive. The SanDisk Extreme SSD is backed by rigorous shock and vibration testing and a 3-year limited warranty. The SanDisk SSD features no moving parts, quiet operation, and low power consumption as compared to a 7200 RPM hard drive.