Quote - What exactly is raid? not to good when it comes to "Hardware" with computers.
is it possible to get 1TB of Ram? and 8 core?

32GB is the max i believe, unless you want a rack server, in which case prepare to have an air conditioned warehouse purely for for RAM :P

You can have dual xenon processors to achieve 8 cores, but its quite a lot more expensive.  I think there may be some SUN microsystems processors that are more than 4 and maybe an IBM one too? not sure what the availiability is or if you would be building a server to use them.

http://en.wikipedia.org/wiki/RAID

• RAID 5 (striped disks with parity) combines three or more disks in a way that protects data against loss of any one disk; the storage capacity of the array is reduced by one disk.

Rich

http://blog.richard-potter.co.uk