http://blogs.msdn.com/deva/archive/2009/06/30/general-do-you-know-what-is-readyboost-technology.aspxReadyBoost technology takes advantage of the fact that flash memory offers lower seek times than hard disks. Essentially that means that your system can get to a given location on a flash disk more quickly than it can to a corresponding spot on a harden-USCommunityServer 2.1 SP1 (Build: 61025.2)