---
title: "StandardUSB::SuperSpeedUSBDeviceCapabilityDescriptor"
framework: Kernel
role: symbol
role_heading: Structure
platforms: [macOS 12.0+]
path: kernel/standardusb_superspeedusbdevicecapabilitydescriptor
---

# StandardUSB::SuperSpeedUSBDeviceCapabilityDescriptor

## Declaration

```occ
typedef struct StandardUSB::SuperSpeedUSBDeviceCapabilityDescriptor {
    ...
} StandardUSB::SuperSpeedUSBDeviceCapabilityDescriptor;
```

## Topics

### Instance Properties

- [bFunctionalitySupport](kernel/standardusb_superspeedusbdevicecapabilitydescriptor/3794146-bfunctionalitysupport.md)
- [bU1DevExitLat](kernel/standardusb_superspeedusbdevicecapabilitydescriptor/3794147-bu1devexitlat.md)
- [bU2DevExitLat](kernel/standardusb_superspeedusbdevicecapabilitydescriptor/3794148-bu2devexitlat.md)
- [bmAttributes](kernel/standardusb_superspeedusbdevicecapabilitydescriptor/3794149-bmattributes.md)
- [wSpeedsSupported](kernel/standardusb_superspeedusbdevicecapabilitydescriptor/3794150-wspeedssupported.md)