---
title: kUSBPowerDuringWakeUSB3
framework: kernel
role: symbol
role_heading: Enumeration Case
path: kernel/usbpowerrequesttypes/kusbpowerduringwakeusb3
---

# kUSBPowerDuringWakeUSB3

The system requests extra power allocation.

## Declaration

```occ
kUSBPowerDuringWakeUSB3 = 7
```

## Discussion

Discussion The USB stack uses this enumeration to allocate the 400 milliamps extra for USB 3.0 above the 500 milliamps that USB 2.0 allocates.