---
title: kFWSpeedMaximum
framework: IOKit
role: symbol
role_heading: Enumeration Case
platforms: [Mac Catalyst 13.0+, macOS 10.0+]
path: iokit/iofwspeed/kfwspeedmaximum
---

# kFWSpeedMaximum

## Declaration

```occ
kFWSpeedMaximum = 0x7FFFFFFF
```