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Using Windows ReadyBoost to Increase Performance in  Windows 7 Readyboost What is ReadyBoost ReadyBoost is a feature of Windows Vista and Windows 7 and windows 8 that uses a USB flash drive for caching.  This allows Windows Vista or Windows 7 to service random disk reads with performance that is typically 80-100 times faster than random reads from traditional hard drives. For a USB flash drive to be compatible, it must conform to the following requirements:  The device should have an access time of 1 ms or less.  The capacity of the USB flash drive must be at least 256MB (250 after formatting).  The device must be capable of 2.5 MB/s read speeds for 4 KB random reads spread uniformly across the     entire device and 1.75 MB/s write speeds for 512KB random writes spread uniformly across the device  The device must have at least 235MB of free space ReadyBoost supported features/capacity:  On Windows Vista, the larg...