> For the complete documentation index, see [llms.txt](https://docs.ionos.com/postgres-sdk-python/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.ionos.com/postgres-sdk-python/models/createclusterproperties.md).

# CreateClusterProperties

Properties with all data needed to create a new PostgreSQL cluster.

## Properties

| Name                      | Type                                                                            | Description                                                                                                                                                    | Notes       |
| ------------------------- | ------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------- | ----------- |
| **postgres\_version**     | **str**                                                                         | The PostgreSQL version of your cluster.                                                                                                                        |             |
| **instances**             | **int**                                                                         | The total number of instances in the cluster (one master and n-1 standbys).                                                                                    |             |
| **cores**                 | **int**                                                                         | The number of CPU cores per instance.                                                                                                                          |             |
| **ram**                   | **int**                                                                         | The amount of memory per instance in megabytes. Has to be a multiple of 1024.                                                                                  |             |
| **storage\_size**         | **int**                                                                         | The amount of storage per instance in megabytes.                                                                                                               |             |
| **storage\_type**         | [**StorageType**](/postgres-sdk-python/models/storagetype.md)                   |                                                                                                                                                                |             |
| **connections**           | [**list\[Connection\]**](/postgres-sdk-python/models/connection.md)             |                                                                                                                                                                |             |
| **location**              | **str**                                                                         | The physical location where the cluster will be created. This will be where all of your instances live. Property cannot be modified after datacenter creation. |             |
| **backup\_location**      | **str**                                                                         | The S3 location where the backups will be stored.                                                                                                              | \[optional] |
| **display\_name**         | **str**                                                                         | The friendly name of your cluster.                                                                                                                             |             |
| **maintenance\_window**   | [**MaintenanceWindow**](/postgres-sdk-python/models/maintenancewindow.md)       |                                                                                                                                                                | \[optional] |
| **credentials**           | [**DBUser**](/postgres-sdk-python/models/dbuser.md)                             |                                                                                                                                                                |             |
| **synchronization\_mode** | [**SynchronizationMode**](/postgres-sdk-python/models/synchronizationmode.md)   |                                                                                                                                                                |             |
| **from\_backup**          | [**CreateRestoreRequest**](/postgres-sdk-python/models/createrestorerequest.md) |                                                                                                                                                                | \[optional] |