---
title: maximumAllowedMemorySize
framework: virtualization
role: symbol
role_heading: Type Property
path: virtualization/vzvirtualmachineconfiguration/maximumallowedmemorysize
---

# maximumAllowedMemorySize

The maximum amount of memory that you may configure for the VM.

## Declaration

```swift
class var maximumAllowedMemorySize: UInt64 { get }
```

## Discussion

Discussion The value in the memorySize property must be less than or equal to the value in this property.

## See Also

### Sizing the memory partition

- [memorySize](virtualization/vzvirtualmachineconfiguration/memorysize.md)
- [minimumAllowedMemorySize](virtualization/vzvirtualmachineconfiguration/minimumallowedmemorysize.md)
- [memoryBalloonDevices](virtualization/vzvirtualmachineconfiguration/memoryballoondevices.md)