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# IOUSBSuperSpeedHubDescriptor

A structure that defines the descriptor for a Super Speed USB hub.

```
struct IOUSBSuperSpeedHubDescriptor;
```

## Overview

For more information about this descriptor type, see section 10.13.2.1 of the USB 3.0 specification at <http://www.usb.org>.

## Topics

### Accessing the Descriptor Properties

[`bLength`](/documentation/USBDriverKit/IOUSBSuperSpeedHubDescriptor/bLength)

[`bDescriptorType`](/documentation/USBDriverKit/IOUSBSuperSpeedHubDescriptor/bDescriptorType)

[`bNumberPorts`](/documentation/USBDriverKit/IOUSBSuperSpeedHubDescriptor/bNumberPorts)

[`wHubCharacteristics`](/documentation/USBDriverKit/IOUSBSuperSpeedHubDescriptor/wHubCharacteristics)

[`bPowerOnToPowerGood`](/documentation/USBDriverKit/IOUSBSuperSpeedHubDescriptor/bPowerOnToPowerGood)

[`bHubControllerCurrent`](/documentation/USBDriverKit/IOUSBSuperSpeedHubDescriptor/bHubControllerCurrent)

[`bHubDecodeLatency`](/documentation/USBDriverKit/IOUSBSuperSpeedHubDescriptor/bHubDecodeLatency)

[`wHubDelay`](/documentation/USBDriverKit/IOUSBSuperSpeedHubDescriptor/wHubDelay)

[`deviceRemovable`](/documentation/USBDriverKit/IOUSBSuperSpeedHubDescriptor/deviceRemovable)



---

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