---
title: kMIDIPropertyMaxSysExSpeed
framework: coremidi
role: symbol
role_heading: Global Variable
path: coremidi/kmidipropertymaxsysexspeed
---

# kMIDIPropertyMaxSysExSpeed

The maximum rate, in bytes per second, at which the system may reliably send System Exclusive (SysEx) messages to this object.

## Declaration

```swift
let kMIDIPropertyMaxSysExSpeed: CFString
```

## Discussion

Discussion The owning driver may set an integer value for this property.

## See Also

### Configuration

- [kMIDIPropertyNameConfigurationDictionary](coremidi/kmidipropertynameconfigurationdictionary.md)
- [kMIDIPropertyDriverDeviceEditorApp](coremidi/kmidipropertydriverdeviceeditorapp.md)
- [kMIDIPropertyNameConfiguration](coremidi/kmidipropertynameconfiguration.md)