2 bay nas max hard drives 2 hard drive mounting removable drive hard drive access front hard drive location vertical internal interface sata iii raid levels 0 1 jbod networking gigabit 101001000 connections 1x audio out 2x hdmi 14a 2x rj 45 4x usb 30 case tower processor intel celeron n3150 clock speed 1 600 mhz ram maximal 8 gb ram type ddr3 ram slot used 2 ram total slot 2 optical disc drives without nas cooling system fan number