Synology SA3600 (Rack 2U) 12C2,1GhzCPU/16Gb/RAID0,1,10,5,6/upto12HP HDDs SATA,SAS(3,5' 2,5')upto 180 (7xRX2417sas or 7xRX1217sas)/2xUSB/4GE+2x10GE(RJ-45)/2Expslot/iSCSI/2xIPcam(up to128)/2xRPS/no rail