---
title: kUSBMassStorageClass
framework: IOKit
role: symbol
role_heading: Enumeration Case
platforms: [Mac Catalyst 18.4+, macOS 10.0+]
path: iokit/1424756-interface_class/kusbmassstorageclass
---

# kUSBMassStorageClass

## Declaration

```occ
kUSBMassStorageClass = 8
```