---
title: MAXIMUM_COMPARE_AND_WRITE_LENGTH
framework: IOKit
role: symbol
role_heading: Instance Property
platforms: [driverkit 22.0+, Mac Catalyst 13.0+, macOS 10.12+]
path: iokit/scsicmd_inquiry_pageb0_data/1792076-maximum_compare_and_write_length
---

# MAXIMUM_COMPARE_AND_WRITE_LENGTH

## Declaration

```occ
UInt8 MAXIMUM_COMPARE_AND_WRITE_LENGTH;
```