whats the computer requirement to run a private server?

whats the computer requirement to run a PristonTale & GunZ private server?
And can i run the private server with Windows Server 2003 R2 Enterprice?

2Gb of ram and Xeon X2 for two server is good, for very good use 4Gb ram.

Hmm...
can i run the private server with Windows Server 2003 R2 Enterprice?
And how meny players can join my server if my computer have this:

1 x Intel Dual-Core Xeon 2.13 GHz
Mainboard: Intel 3000 / 1066 MHz
RAM: 1 GB DDR II SDRAM
Hdd: 250 GB Serial ATA-300 / 7200 rpm

Hmm...
can i run the private server with Windows Server 2003 R2 Enterprice?
And how meny players can join my server if my computer have this:

1 x Intel Dual-Core Xeon 2.13 GHz
Mainboard: Intel 3000 / 1066 MHz
RAM: 1 GB DDR II SDRAM
Hdd: 250 GB Serial ATA-300 / 7200 rpm

ya sure lol 500ram is ok too but then it isnt for 100s of people