Microsoft Monday doubled down on hybrid clouds by unveiling an on-premises system that syncs up with Azure public cloud services.

With its new Cloud Platform System (CPS), Microsoft is attempting to differentiate itself vs. rivals Amazon Web Services and Google.

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This Azure cloud-in-a-box offering, available next month, uses the same software that powers Microsoft’s Azure public cloud – the HyperV hypervisor, Windows Systems Center and Azure Pack – and runs on hardware supplied by Dell. Microsoft launched the appliance during a media event in San Francisco with CEO Satya Nadella and Scott Guthrie, the company’s executive vice president for its cloud and enterprise group. The company did not say how much CPS will cost.

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