CPU : E5-2630v2 x2 
memory : 16G x 8 
Intel dual 10G SFP+ x4 
internal hdd : 2x500gb 10k rpm (2"5 disk)

each node connected to 2 jbod server 
each jbod spec : 2 jbod controller, 3 SSD & 50 1 TB disk 10k rpm