This is the new *CloudFormation Template Reference Guide*. Please update your bookmarks and links. For help getting started with CloudFormation, see the [AWS CloudFormation User Guide](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/Welcome.html).

# AWS::Neptune::DBCluster ServerlessScalingConfiguration
<a name="aws-properties-neptune-dbcluster-serverlessscalingconfiguration"></a>

Contains the scaling configuration of a Neptune Serverless DB cluster.

## Syntax
<a name="aws-properties-neptune-dbcluster-serverlessscalingconfiguration-syntax"></a>

To declare this entity in your CloudFormation template, use the following syntax:

### JSON
<a name="aws-properties-neptune-dbcluster-serverlessscalingconfiguration-syntax.json"></a>

```
{
  "[MaxCapacity](#cfn-neptune-dbcluster-serverlessscalingconfiguration-maxcapacity)" : {{Number}},
  "[MinCapacity](#cfn-neptune-dbcluster-serverlessscalingconfiguration-mincapacity)" : {{Number}}
}
```

### YAML
<a name="aws-properties-neptune-dbcluster-serverlessscalingconfiguration-syntax.yaml"></a>

```
  [MaxCapacity](#cfn-neptune-dbcluster-serverlessscalingconfiguration-maxcapacity): {{Number}}
  [MinCapacity](#cfn-neptune-dbcluster-serverlessscalingconfiguration-mincapacity): {{Number}}
```

## Properties
<a name="aws-properties-neptune-dbcluster-serverlessscalingconfiguration-properties"></a>

`MaxCapacity`  <a name="cfn-neptune-dbcluster-serverlessscalingconfiguration-maxcapacity"></a>
The maximum number of Neptune capacity units (NCUs) for a DB instance in a Neptune Serverless cluster. You can specify NCU values in half-step increments, such as 40, 40.5, 41, and so on.  
*Required*: Yes  
*Type*: Number  
*Minimum*: `2`  
*Maximum*: `128`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`MinCapacity`  <a name="cfn-neptune-dbcluster-serverlessscalingconfiguration-mincapacity"></a>
The minimum number of Neptune capacity units (NCUs) for a DB instance in a Neptune Serverless cluster. You can specify NCU values in half-step increments, such as 8, 8.5, 9, and so on.  
*Required*: Yes  
*Type*: Number  
*Minimum*: `1`  
*Maximum*: `128`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)