Best dedicated server/Machine for Referral

Guys some time ago i used server4you for host my Silkroad Server. Was cheap and good. But right now i going to start a new service League of legends Referral.

Someone know a Good dedicated servers with nices prices?
Thanks

I spent did you use? Wich woun price? To use the bot referrals do not need graphics card? How many machines did you do?