They say that cat RAID is a bad mutha-Shut yo mouth!- But I'm talking about RAID! We can dig it!
More serioursly.. are those 4 drives that will be in RAID 0 or are you being more conservative and doing RAID 1+0 (or even JBOD if you can split up the data)?
Are you doing a big RAM disk cache with the memory?
4770K @ 4.7 GHz; 32GB DDR3-2133; GTX-770; 512GB 840 Pro (2x); Fractal Define XL-R2; NZXT Kraken-X60
--Many thanks to the TR Forum for advice in getting it built.