---
title: kIOUSBDescriptorSizeHubMaximum
framework: kernel
role: symbol
role_heading: Enumeration Case
path: kernel/tiousbdescriptorsize/kiousbdescriptorsizehubmaximum
---

# kIOUSBDescriptorSizeHubMaximum

## Declaration

```occ
kIOUSBDescriptorSizeHubMaximum = 21
```