You must have heard of this option in Windows Vista. It's that the USB flash drive can be used to increase the capacity of RAM. It will help to boost the performance of the system. You can not only use your Pen drive but also any types of memory cards or memory sticks that you got with your mobile phones, digital cameras or any other devices. This option of making the external memory device works as RAM is called ‘ReadyBoost’. Caution: - The device can only be used with ReadyBoost if it qualifies the data transfer speed test; means if the data transfer speed of the device is lower than that is recommended by Readyboost, then it cannot be used as RAM. It is written in the product description of some of the Pen Drives that whether the particular pen drive is compatible with Readyboost or not. So you can check it before buying one. Benefits of ReadyBoost :- - If your system has low RAM, resulting a slowdown in the performance, Readyboost will work for you. - RAM is much more co