---
title: IOUSBDeviceCapabilitySuperSpeedUSB
framework: IOKit
role: symbol
role_heading: Structure
platforms: [Mac Catalyst 13.0+, macOS 10.7+]
path: iokit/iousbdevicecapabilitysuperspeedusb
---

# IOUSBDeviceCapabilitySuperSpeedUSB

## Declaration

```occ
typedef struct IOUSBDeviceCapabilitySuperSpeedUSB {
    ...
} IOUSBDeviceCapabilitySuperSpeedUSB;
```

## Overview

Overview Device Capability SuperSpeed USB

## Topics

### Instance Properties

- [bDescriptorType](iokit/iousbdevicecapabilitysuperspeedusb/1425702-bdescriptortype.md)
- [bDevCapabilityType](iokit/iousbdevicecapabilitysuperspeedusb/1426117-bdevcapabilitytype.md)
- [bFunctionalitySupport](iokit/iousbdevicecapabilitysuperspeedusb/1425773-bfunctionalitysupport.md)
- [bLength](iokit/iousbdevicecapabilitysuperspeedusb/1426282-blength.md)
- [bU1DevExitLat](iokit/iousbdevicecapabilitysuperspeedusb/1425828-bu1devexitlat.md)
- [bmAttributes](iokit/iousbdevicecapabilitysuperspeedusb/1426247-bmattributes.md)
- [wSpeedsSupported](iokit/iousbdevicecapabilitysuperspeedusb/1426018-wspeedssupported.md)
- [wU2DevExitLat](iokit/iousbdevicecapabilitysuperspeedusb/1425923-wu2devexitlat.md)

## See Also

### Related Documentation

- [IOUSBDeviceCapabilitySuperSpeedUSB](iokit/usb_h_user-space/iousbdevicecapabilitysuperspeedusb.md)