Your SATA hard drive performance's can be increased, it just enable write caching. This is very useful if your computer or laptop suddenly shuts down to prevent data loss/corruption! This feature is default to in Windows Vista and 7 (no need to install any third party sofware"
Click on Start Button, open "Control Panel"
Open "Device Manager"
Expand "Disk Drives"
Select your hard drive and right click
Click on the "Policies" tab
Check "Enable Write Caching on disk" and "Enable Advanced Performance"