---
title: MAXIMUM_PREFETCH_LENGTH
framework: IOKit
role: symbol
role_heading: Instance Property
platforms: [Mac Catalyst 13.0+, macOS 10.12+]
path: iokit/scsicmd_inquiry_pageb0_data/1792081-maximum_prefetch_length
---

# MAXIMUM_PREFETCH_LENGTH

## Declaration

```occ
UInt32 MAXIMUM_PREFETCH_LENGTH;
```