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Abstract

Mass storage devices and methods that use at least one non-volatile solid-state memory device, for example, one or more NAND flash memory devices, that defines a memory space for permanent storage of data. The mass storage device is adapted to be operatively connected to a host computer system having an operating system and a file system. The memory device includes memory cells organized in pages that are organized into memory blocks for storing data, and a page buffer partitioned into segments corresponding to a cluster size of the operating system or the file system of the host computer system. The size of a segment of the page buffer is larger than the size of any page of the memory device. The page buffer enables logically reordering multiple clusters of data fetched into the segments from pages of memory device and write-combining segments containing valid clusters.

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First Claim