They have been tested and are fully functional. Minor cosmetic flaws that will not 

affect functionality. No AC Adapter

Supports up to 3-Displays, Gigabit Ethernet Port, Speaker output

1x Thuderbolt 3 Port, 1x VGA Port, 1x HDMI, Max Resolution Support 60Hz (5120x2880)

1x Display Port, 1x Mini Display, Kensington Lock Slot; Security lock slot (cable lock sold separately), LED indicator

2x USB 2.0 Ports, 3x USB 3.0 Ports (One with Power Share)

Video Interfaces - VGA, HDMI, DP, Mini DP, Thunderbolt

Data Link Protocol: Ethernet, Fast Ethernet, Gigabit Ethernet