---
title: "StandardUSB30::kDeviceNotificationTypeSublinkSpeed"
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 12.0+]
path: kernel/standardusb30_tdevicenotificationtype/standardusb30_kdevicenotificationtypesublinkspeed
---

# StandardUSB30::kDeviceNotificationTypeSublinkSpeed

## Declaration

```occ
StandardUSB30::kDeviceNotificationTypeSublinkSpeed = kIOUSB30DeviceNotificationTypeSublinkSpeed
```