16-Bay TurboNAS, SAS 12G, SAS/SATA 6G, Xeon E3-1246 v2 3.5GHz, 16GB non-ECC RAM, 4-LAN, built-in 2 10Gb SFP+, 40G network-ready, iSCSI, RAID 0, 1, 5, 6, 10, 5+spare, 6+spare, 10+spare, global hotspare, max 32 GB RAM, max 8-LAN, PCIe expansion slot x2, redundantpower supply, Without Rail Kit