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# USB Devices

## Topics

### Storage Devices

[`VZUSBMassStorageDevice`](/documentation/Virtualization/VZUSBMassStorageDevice)

A class that represents a hot-pluggable USB mass storage device.

[`VZUSBPassthroughDevice`](/documentation/Virtualization/VZUSBPassthroughDevice)

### Configurations

[`VZUSBControllerConfiguration`](/documentation/Virtualization/VZUSBControllerConfiguration)

The base class for a USB controller configuration.

[`VZXHCIControllerConfiguration`](/documentation/Virtualization/VZXHCIControllerConfiguration)

The configuration object for the USB Extensible Host Controller Interface (XHCI) controller.

[`VZUSBPassthroughDeviceConfiguration`](/documentation/Virtualization/VZUSBPassthroughDeviceConfiguration)

### Controllers

[`VZUSBController`](/documentation/Virtualization/VZUSBController)

A class that represents a USB controller in a VM.

[`VZXHCIController`](/documentation/Virtualization/VZXHCIController)

A class that represents a USB Extensible Host Controller Interface (XHCI) controller in a VM.

### Protocols

[`VZUSBDevice`](/documentation/Virtualization/VZUSBDevice)

A protocol that represents a USB device in a VM.

[`VZUSBDeviceConfiguration`](/documentation/Virtualization/VZUSBDeviceConfiguration)

The protocol for configuring USB devices.


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