This listing is for a Barracuda BBS490a Networks Backup Server BNHW004 with (x4) 2TB HDDs.  It was pulled from a working environment, power tested, and powers on as it should.  No further testing has been performed on this device.  It requires a standard 3 prong power cord which will be included with purchase.  There are a few signs of wear on this item from previous use.  All photos are of the item that you will receive.  We do not provide tech support or any software that is not already installed on this device.  If you have any questions, feel free to contact me.