The Big Data servers can fit two petabytes of storage capacity per rack.

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Rack disaggregation refers to the separation of those resources that currently exist in a rack, including compute, storage, networking and power distribution into discrete modules.

ENGADGET: Facebook's Open Compute Project splits up monolithic servers with help from Intel, more

The mechanical prototype is a demonstration of Intel's photonic rack architecture for interconnecting the various resources, showing one of the ways compute, network and storage resources can be disaggregated within a rack.

ENGADGET: Facebook's Open Compute Project splits up monolithic servers with help from Intel, more