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What is ReadyBoost and how does it work?

April 26, 2017ReadyBoost

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What is ReadyBoost and how does it work?

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Windows ReadyBoost-capable Flash Devices extend the disk caching capabilities of Windows Vista main memory. ReadyBoost-capable devices can be implemented as USB 2.0 flash drives, Secure Digital (SD) cards, or CompactFlash cards. Using ReadyBoost-capable flash memory devices for caching allows Windows Vista to service random disk reads with performance that is typically 8-10 times faster than random reads from traditional hard drives. An external ReadyBoost-capable device might be removed at any time, but ReadyBoost technology ensures there is no interruption of system service or loss of data. All data writes are made to the hard disk before being copied to the flash device, so every bit of data held within the flash device is safely duplicated on the hard disk. ReadyBoost also encrypts the content for use only on the PC system where the data was generated.