# Prerequisites

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NOTE that DHC nodes **MUST support Intel® SGX2** (TEE hardware).
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## Basic Requirements

* Operating system: Ubuntu 18.04
* CPU: 8 cores and support SGX2
* Memory: 32GB RAM
* Storage: 2TB SSD
* Network: At least 20Mb bandwidth with an independent IP address

## Recommended Physical Machine

* CPU: Intel Xeon Ice Lake (16 cores)
* Memory: 64GB DDR4
* Storage Disk: 2TB SSD
* System Disk: 480GB SSD
* Network: Gigabit Ethernet

## Recommended Cloud Service

* AliCloud: \
  **ecs.g7t, ecs.c7t, ecs.r7t**

{% embed url="<https://www.alibabacloud.com/help/en/ecs/user-guide/build-an-sgx-encrypted-computing-environment?spm=a3c0i.23458820.2359477120.9.50747d3fD5V3nB>" %}

* Tencent Cloud: \
  **M6ce**

{% embed url="<https://www.tencentcloud.com/document/product/213/45510?lang=en>" %}

* Microsoft Cloud: \
  **DCsv3, DCdsv3**

{% embed url="<https://learn.microsoft.com/en-us/azure/confidential-computing/quick-create-portal>" %}