Intel firmware addresses X25-M, X18-M SSD slowdowns
 

This update implements several continuous improvements and optimizations to the drive algorithms including a resolution for a performance issue first reported by the PC Perspective review website. Keep in mind that the risk of a typical PC user experiencing this issue is very low. We are offering this firmware download to our OEM customers and any consumers who have purchased the drives. Consumers with questions can contact their PC maker or visit Intel support for more information.

http://www.intel.com/support/9089.htm