This listing is for Dell PowerConnect 5548 48-Port Gigabit Ethernet Switches.  There are multiple units available for purchase.  They were pulled from a working environment, power tested, and power on as they should.  No further testing has been performed on these devices.  They all come with a standard 3 prong power cord.  Units have attached rack mount brackets.  All photos are of the item(s) that you will receive.  We do not provide tech support or any software that is not already installed on these devices.  If you have any questions, feel free to contact me.