Ready Boost is a feature on Windows 7 and Windows Vista that allows external memory to be used to improve system performance. Ready Boost can take advantage of USB storage devices, SD cards, or CompactFlash cards. Windows 7 can take advantage of up to 8 devices using Ready Boost. It also can make use of up to 256GB for additional memory use. Windows Vista can make use of up to 4GB. However, Microsoft states that Ready Boost uses a 2:1 compression ratio. This means that 2GB of memory could potentially hold 4GB of data.
Since the release of Windows 7 in 2009 there have been many improvements to the security features including the ability to schedule Windows Update in Windows 7. Many steps can be taken to optimize Windows 7, but possibly the most important is to make sure software is kept up to date. This can be done manually however; a much easier method is available. Optimize Windows 7 in just a few easy steps with free computer maintenance.