4 bay nas nas enclosure max hard drives 4 hard drive mountings screwed removable drive hard drive location vertical internal interface sata ii target audience small office home office soho raid levels 0 1 5 10 jbod networking gigabit 101001000 connections 1x usb 20 2x usb 30 1x rj 45 positions of connectivity ports 1x usb front 2x usb back 1x rj 45 back case tower processors marvell armada 370 dual core clock speed 1 200 mhz ram 512 mb r