The Intel Rapid Storage Technology software package provides high-performance SATA AHCI and SATA RAID capabilities for Microsoft Windows operating systems. Intel Rapid Storage Technology provides improved performance and reliability for systems equipped with SATA disks for desktop, mobile, and server platforms. When using one or multiple SATA disks, you can take advantage of enhanced performance and lower power consumption. This version adds support for Intel Smart Response Technology (SSD caching)."
Slow computer got you down? Maybe a hardware upgrade should be in your cards, if so this guide to the Fundamentals of Upgrading a PC is an invaluable read. PCSTATS Tips