How to Add RAM to a Laptop Via a USB Drive

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Although a USB flash drive is not exactly RAM, Windows 7 has a feature called ReadyBoost, which makes your flash drive act like system RAM. This type of RAM is sometimes called "flash RAM." When present, your Windows 7 system uses your USB flash drive as a type of paging file, rather than relying on that of the hard drive. Although hard drives are faster for large, sequential operations, flash drives are faster for the small, random input/output operations required in ReadyBoost.

  • Insert your USB flash drive into an available USB port on your computer.

  • Click "Speed up my system" at the bottom of the "AutoPlay" window.

  • Click "Dedicate this device to ReadyBoost."

  • Click "OK." Your USB flash drive is now used to extend your system's RAM.

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  • Photo Credit Thomas Northcut/Photodisc/Getty Images
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