---
title: kUSBMassStorageUFISubClass
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.12+]
path: kernel/1643510-anonymous/kusbmassstorageufisubclass
---

# kUSBMassStorageUFISubClass

## Declaration

```occ
kUSBMassStorageUFISubClass = 0x04
```