---
title: bmSublinkSpeedAttr
framework: Kernel
role: symbol
role_heading: Instance Property
platforms: [macOS 12.0+]
path: kernel/standardusb_superspeedplususbdevicecapabilitydescriptor/3794142-bmsublinkspeedattr
---

# bmSublinkSpeedAttr

## Declaration

```occ
uint32_t bmSublinkSpeedAttr[];
```