http://www.ibuypower.com/Site/CoinMine sell their minin PCs with quad cpu 8 gb of ram tb hdd and other things which ive read that are OVERKILL like cpu ram terabyte hdd for gpu mining
1)why are they selling overkill?
2)so cpu and ram helps gpu mining?
WaterCooling![](https://ip.bitcointalk.org/?u=http%3A%2F%2Fimg37.imageshack.us%2Fimg37%2F483%2Fimg65581.jpg&t=663&c=9GMZyDFPcJ2LhA)
can i watercool my rig without case?
is there a better cooling method?
how much better gpu overclock will i get from lower temps?