Earlier this month, Microsoft announced Azure Stack, a hybrid on-premise extension to Azure that allows its customers to host and run Azure in offline mode.
Azure Stack is now available to order worldwide.
https://azure.microsoft.com/en-us/overview/azure-stack/how-to-buy/
You can purchase Azure Stack via your own EA or from a third-party service provider.
Azure Stack is sold as an integrated system, meaning that software comes installed on prescribed hardware. A complete Azure Stack system is comprised of hardware, software, and support.
Hardware is purchased directly from the hardware vendor. Currently, DELL, HP, and Lenovo are selling Azure Stack ready hardware.
Software: You may purchase Azure Stack services via your Microsoft Enterprise Agreement (EA) or from a service provider.
Support is handled by your service provider or Microsoft, depending on your licensing agreement.