---
title: DATA_BYTES_PER_PHYSICAL_SECTOR
framework: Kernel
role: symbol
role_heading: Instance Property
platforms: [macOS 10.3+]
path: kernel/sbcmodepageformatdevice/1476569-data_bytes_per_physical_sector
---

# DATA_BYTES_PER_PHYSICAL_SECTOR

## Declaration

```occ
UInt16 DATA_BYTES_PER_PHYSICAL_SECTOR;
```