---
title: VZNVMExpressControllerDeviceConfiguration
framework: virtualization
role: symbol
role_heading: Class
path: virtualization/vznvmexpresscontrollerdeviceconfiguration
---

# VZNVMExpressControllerDeviceConfiguration

The configuration object that represents an NVM Express Controller storage device.

## Declaration

```swift
class VZNVMExpressControllerDeviceConfiguration
```

## Overview

Overview This device configuration creates a storage device that conforms to the NVM Express specification revision 1.1b. The device configuration is valid only if used with VZGenericPlatformConfiguration.

## Topics

### Creating a new device configuration

- [init(attachment:)](virtualization/vznvmexpresscontrollerdeviceconfiguration/init(attachment:).md)

## Relationships

### Inherits From

- [VZStorageDeviceConfiguration](virtualization/vzstoragedeviceconfiguration.md)

### Conforms To

- [CVarArg](swift/cvararg.md)
- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [NSCopying](foundation/nscopying.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)

## See Also

### Related Documentation

- [VZGenericPlatformConfiguration](virtualization/vzgenericplatformconfiguration.md)

### Configurations

- [VZVirtioBlockDeviceConfiguration](virtualization/vzvirtioblockdeviceconfiguration.md)
- [VZStorageDeviceConfiguration](virtualization/vzstoragedeviceconfiguration.md)
- [VZUSBMassStorageDeviceConfiguration](virtualization/vzusbmassstoragedeviceconfiguration.md)
- [VZDiskImageCachingMode](virtualization/vzdiskimagecachingmode.md)
- [VZDiskImageSynchronizationMode](virtualization/vzdiskimagesynchronizationmode.md)