4 bay nas nas enclosure max hard drives 4 hard drive types hdd ssd internal interface sata target audience small and medium sized businesses smbs raid levels 0 1 10 5 jbod networking gigabit 101001000 connections 1x usb 30 1x esata 1x hdmi 4x usb 20 2x rj 45 case tower processors intel atom d2701 dual core clock speed 2 133 mhz ram 2 gb ram type ddr3 optical disc drives without protocols cifssmb rally nfs afp apple bonjour ftp ftp