Confused by some of the terms used in this website? Visit our glossary page for a guide to unfamiliar terms and references used in and SoftRAID documentation.

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A block is a sequence of bytes or bits of data, which has a maximum length, called a block size. Data is written to and from the disk in blocks, rather than as separate bits or bytes, in order to speed up data transfer.


A bus is a collection of wires through which data is transmitted from one part of a computer to another. You can think of a bus as a highway on which data travels within a computer.