Synology DS2422+ QC2.2GHz CPU/4GB(up to 32GB)/RAID 0,1,5,6,10/up to 12 SATA SSD/HDD (3.5" or 2.5") (up to 24 with 1xDX1222), 2xUSB3.0, 4xGbE(+1Expslot),iSCSI, 2xIPcam(upto40)/1xPS/3YW