servers are useless for mining, and certainly ram does not matter, you need a powerful asic to mine properly, or gpu if you're in the altcoin scene
There are also some CPU mineable altcoins as well:
http://www.cpucoinlist.com/I would argue that CPU coins cost more to mine then you make. And even if you run at a profit it's not a profit near paying for a rig with a nice CPU.
I wish CPU/GPU day's were here but sadly they are gone.