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# IOUSBDeviceCapabilitySuperSpeedPlusUSB

The structure for the super-speed plus USB device capability.

```
struct IOUSBDeviceCapabilitySuperSpeedPlusUSB;
```

## Overview

See USB 3.1 9.6.2.5: SuperSpeedPlus USB Device Capability.

## Topics

### Accessing the Descriptor Properties

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

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

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

[`uint8_t bReserved;`](/documentation/USBDriverKit/IOUSBDeviceCapabilitySuperSpeedPlusUSB/bReserved)

[`uint32_t bmAttributes;`](/documentation/USBDriverKit/IOUSBDeviceCapabilitySuperSpeedPlusUSB/bmAttributes)

[`uint16_t wFunctionalitySupport;`](/documentation/USBDriverKit/IOUSBDeviceCapabilitySuperSpeedPlusUSB/wFunctionalitySupport)

[`uint16_t wReserved;`](/documentation/USBDriverKit/IOUSBDeviceCapabilitySuperSpeedPlusUSB/wReserved)

[`uint32_t bmSublinkSpeedAttr[];`](/documentation/USBDriverKit/IOUSBDeviceCapabilitySuperSpeedPlusUSB/bmSublinkSpeedAttr)


---

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