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

# kFWSpeedInvalid

## Declaration

```occ
kFWSpeedInvalid = 0x80000000
```