Can I use CentOS 6 x64?
Unmanaged Services
You can use whatever operating system you would like with any of our unmanaged services (e.g. unmanaged vps, vds or dedicated). However, consider that CentOS 6 already reached End Of Life (EOL) and it's no longer recommended to be used in production.
Managed Services
Contact us with more information concerning your use case scenario, and we will evaluate if we can manage it for you.