---
title: kATAPhysicalSectorSizeMask
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.12+]
path: kernel/1646138-anonymous/kataphysicalsectorsizemask
---

# kATAPhysicalSectorSizeMask

## Declaration

```occ
kATAPhysicalSectorSizeMask = 0xF
```