# Order Composition

## Host + Local Disk

When the system disk is a local disk, the order composition of the host includes:

  - CPU
  - GPU (only for GPU types)
  - Memory
  - Local system disk
  - Local data disk
  - Image (referring to the paid image in the image market)
  - Additional features (such as network enhancement)

The public Elastic IP (EIP) and the external data disk cloud disk (UDisk) are not included, being independent orders with separate lifecycles.

## Host + Cloud Hard Disk

When the system disk is a cloud hard disk, the order composition of the host includes:

  - CPU
  - Memory
  - Cloud system disk
  - Image (referring to the paid image in the image market)
  - Additional features (such as network enhancement)

The public Elastic IP (EIP) and the cloud data disk (UDisk) are not included, being independent orders with separate lifecycles.