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# IOUSBDeviceCapabilitySuperSpeedUSB

The structure for the super-speed USB device capability.

```
struct IOUSBDeviceCapabilitySuperSpeedUSB;
```

## Overview

See USB 3.0 9.6.2.2: SuperSpeed USB Device Capability.

## Topics

### Accessing the Descriptor Properties

[`uint8_t bLength;`](/documentation/USBDriverKit/IOUSBDeviceCapabilitySuperSpeedUSB/bLength)

[`uint8_t bDescriptorType;`](/documentation/USBDriverKit/IOUSBDeviceCapabilitySuperSpeedUSB/bDescriptorType)

[`uint8_t bDevCapabilityType;`](/documentation/USBDriverKit/IOUSBDeviceCapabilitySuperSpeedUSB/bDevCapabilityType)

[`uint8_t bmAttributes;`](/documentation/USBDriverKit/IOUSBDeviceCapabilitySuperSpeedUSB/bmAttributes)

[`uint16_t wSpeedsSupported;`](/documentation/USBDriverKit/IOUSBDeviceCapabilitySuperSpeedUSB/wSpeedsSupported)

[`uint8_t bFunctionalitySupport;`](/documentation/USBDriverKit/IOUSBDeviceCapabilitySuperSpeedUSB/bFunctionalitySupport)

[`uint8_t bU1DevExitLat;`](/documentation/USBDriverKit/IOUSBDeviceCapabilitySuperSpeedUSB/bU1DevExitLat)

[`uint16_t wU2DevExitLat;`](/documentation/USBDriverKit/IOUSBDeviceCapabilitySuperSpeedUSB/wU2DevExitLat)


---

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