cpu marvell armada 88f6828 dual core 13ghz floating point unit yes hardware encryption engine yes ram size ddr3 512 mb compatible drive type 35rdquo or 25rdquo sataii x 4 hard drives not included max internal raw capacity 32tb 4 x 8tb hard drive the actual capacity will differ according to volume types max single volume size 16tb external ports usb 30 port x 1 usb 20 port x 1 size hxwxd 184mm x 168mm x 230mm weight 221 kg lan gigabitrj 45