---
title: kIOUSBHostConnectionSpeedCount
framework: usbdriverkit
role: symbol
role_heading: Enumeration Case
path: usbdriverkit/tiousbhostconnectionspeed/kiousbhostconnectionspeedcount
---

# kIOUSBHostConnectionSpeedCount

The number of available connection speed values.

## Declaration

```occ
kIOUSBHostConnectionSpeedCount
```

## See Also

### Getting the Connection Speeds

- [kIOUSBHostConnectionSpeedNone](usbdriverkit/tiousbhostconnectionspeed/kiousbhostconnectionspeednone.md)
- [kIOUSBHostConnectionSpeedFull](usbdriverkit/tiousbhostconnectionspeed/kiousbhostconnectionspeedfull.md)
- [kIOUSBHostConnectionSpeedLow](usbdriverkit/tiousbhostconnectionspeed/kiousbhostconnectionspeedlow.md)
- [kIOUSBHostConnectionSpeedHigh](usbdriverkit/tiousbhostconnectionspeed/kiousbhostconnectionspeedhigh.md)
- [kIOUSBHostConnectionSpeedSuper](usbdriverkit/tiousbhostconnectionspeed/kiousbhostconnectionspeedsuper.md)
- [kIOUSBHostConnectionSpeedSuperPlus](usbdriverkit/tiousbhostconnectionspeed/kiousbhostconnectionspeedsuperplus.md)
- [kIOUSBHostConnectionSpeedSuperPlusBy2](usbdriverkit/tiousbhostconnectionspeed/kiousbhostconnectionspeedsuperplusby2.md)