My first mini nas build

Hello guys, greetings from europe! m currently in the process of builbding a NAS for mutimedia, i already bought a xeon e3-1260l from china, and have my eye on a bitfenix phenom mini itx case wich is cheaper than the fractal nde 304 and have the same six bays to mont hard drives. what are your thoughts on this case?
now the problem is the mini itx motherboard, the DQ77KB is completely sold out! and since i don’t have a lot of knowing on this “workstation” hardware i’m seeking for your help! what boards do you recommend?
best regards!