---
title: kFWSpeed400MBit
framework: IOKit
role: symbol
role_heading: Enumeration Case
platforms: [Mac Catalyst 13.0+, macOS 10.0+]
path: iokit/iofwspeed/kfwspeed400mbit
---

# kFWSpeed400MBit

## Declaration

```occ
kFWSpeed400MBit = 2
```