Got this unit for work and school... I love the dual monitor setup and everything is working great so far. No this does not have WiFi built-in, there is a USB dongle that comes with it. That is fine I am hard-wired as it is. The keyboard leaves a lot to be desired but it is a new keyboard so it just may need to be "broken in" and the mouse is good. The number of USB ports... I love it! I can connect anything and everything to it and have no issues with it at all. As of right now, I cannot think of anything else to state, although for being a "refurb" it looks great and runs great also. Got it as stated for delivery the UPS guy just has a slight oops and dropped the monitor but the packing saved it.