<div>I would think about a blade system for this particular application.</div>
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<div>(Say) one of the Supermicro blade enclosures. You could start small for development with one or two blades,</div>
<div>then expand. Should be easy enough to transport to the hosting location when you are ready.</div>
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<div>You can get acoustically quiet racks to put them in if it is going in an office, but that will inevitably cost more.</div>
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