Technical server characteristics

Hello, I would like to know Hurtworld multithreaded, that is able to work with multiple cores or Legacy Only 1 kernel?
For a surprising number of RAM is needed for the server?

Thanks in advance for your answers.

 

Such characteristics it will be enough?
4 core intel E5640
8 GB ozu
50 GB SSD

 

For 80 players good fit server with:
2 vCPU Intel Xeon E3-1271v3
4Gb RAM
20+Gb SAS.
Tested in practice.