A way to place multiple physical machines in a rack unit
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Physicalization of computer hardware is a way to place multiple physical machines in a rack unit. It is the opposite of virtualization. It can be a way to reduce hardware costs, since in some cases, server processors cost more per core than energy efficient laptop processors, which may make up for added cost of board level integration. While Moore's law makes increasing integration less expensive, some jobs require much I/O bandwidth, which may be less expensive to provide using many less-integrated processors.