12 Bay TurboNaS / AMD R-Series RX-42IND quad core 2.1 GHz / turbo core up to 3.4 GHZ/ 16GB DDR4 (max 64GB) / 4-LAN, Built-in 2 10GBE SFP+ port RAID 0,1,5,6,10, 5+spare, 6+spare 10+spare, global hot spare, , redundant power supply, Without Rail kit B02