---
title: MTLDeviceLocation.unspecified
framework: metal
role: symbol
role_heading: Case
path: metal/mtldevicelocation/unspecified
---

# MTLDeviceLocation.unspecified

A value that indicates the system can’t determine how the GPU connects to it.

## Declaration

```swift
case unspecified
```

## See Also

### Determining the GPU’s location

- [MTLDeviceLocation.builtIn](metal/mtldevicelocation/builtin.md)
- [MTLDeviceLocation.slot](metal/mtldevicelocation/slot.md)
- [MTLDeviceLocation.external](metal/mtldevicelocation/external.md)