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I am looking to expand storage and want to create a flexraid server with some left over parts.


Was thinking something like this motherboard http://www.newegg.com/Product/Produc...82E16813128447


With 5 of these cards eventually

http://www.newegg.com/Product/Produc...82E16816132017


So that would be 20 sata connections with 6 onboard for a total control of 24 drives to go into one of those 24 bay norcos eventually but in an old case to control like 5-6 seagate 1.5tb drives for now.


I still wish those norco cases had a way to squeeze one more 3.5" drive in them but I guess eventually put some sort of SSD in there or lose a storage drive and just have 23 drives as part of the flexraid.


Oh and do you think something like this

http://www.newegg.com/Product/Produc...82E16817171031


or this

http://www.newegg.com/Product/Produc...82E16817148045


For power
 

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Note that PCI bus bandwidth is shared between all devices. Parity update will be pretty slow. You could consider MB with two PCIe x16 slots and two PCIe 8 port SAS Supermicro card AOC-SASLP-MV8. Maybe add one more 2 port PCIe SATA controller.

Will be a bit more expensive (you would also need SAS-SATA cables) but much faster.
 

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It might but the power isn't necessarily shared evenly over both rails. The main factor is the large amount of power required when all the hard drives start up. If the power isn't shared equally on both rails one may become overloaded and you'll have power issues.


Now a 700 watt is likely to be enough but there are other factors to consider.

http://www.lime-technology.com/wiki/index.php?title=PSU Has thorough page on PSU selection that applies to servers in general, not just unRAID
 
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