Hi I'm designing a new nas with 8 1TB drives and I have a $200 for a hardware raid card. I am stuck between Raid 50 and Raid 6 / Which raid card to go with. Any help would be appreciated. The motherboard I'm using is an Intel DP45SGhttp://ark.intel.com...op-Board-DP45SG and I have two pci-e slots filled with dual gigabit adapters and one pci slot with a gpu (Total ethernet bandiwth of 5Gb's because of NIC teaming. I have both of the x16 slots open and I'm pretty sure they also can take an x8 or x4 raid cards. http://www.techpowerup.com/forums/threads/will-a-pci-e-x4-or-x8-sas-raid-controller-card-work-in-x16-slot.72184/ .Any help finding a raid card / configuration would be appreciated.
For a raid card in that price range I think a Dell Perc H700 would be doable but I think you can only use drives that Dell specifies which is a limitation. with N-2 condition Raid 6 is for mission critical data where you want that little extra protection over Raid 5. Multiple terabytes can take a long time to rebuild. Raid 50 would have a higher performance but wouldn't be as safe as Raid 6 (from a probability standpoint).
Are you having a lot of workstations/servers polling from this Nas? or do you need just raw throughput for a single user?
http://www.newegg.com/Product/Product.aspx?Item=N82E16813157475