---
title: kRBCCmd_READ_CAPACITY
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [driverkit 22.0+, macOS 10.12+]
path: kernel/1643408-anonymous/krbccmd_read_capacity
---

# kRBCCmd_READ_CAPACITY

## Declaration

```occ
kRBCCmd_READ_CAPACITY = 0x25
```