---
title: kUSB3MaxPowerPerPort
framework: IOKit
role: symbol
role_heading: Enumeration Case
platforms: [Mac Catalyst 18.4+, macOS 10.7+]
path: iokit/1424648-usb_power_constants/kusb3maxpowerperport
---

# kUSB3MaxPowerPerPort

## Declaration

```occ
kUSB3MaxPowerPerPort = kIOUSB30BusCurrentDefault
```