IMPORTANT: Used, fully tested and confirmed working, all ports functional including USB 3.0, DisplayPort, DVI, VGA, Ethernet, and audio, NO power adapter included, only what is shown in photos is included, normal professional use wear. Dell USB 3.0 E-Port docking station is a genuine OEM black dock designed specifically for Dell Precision laptops including models 3510, 7510, and 7710. Expands laptop connectivity with VGA, DVI, DisplayPort, USB 3.0, Ethernet LAN, and audio out, letting you connect dual monitors, a keyboard, mouse, and printer with just one quick connection. Passive cooling and a reliable build make this a great docking solution for home office, business, IT departments, remote work, and student multi monitor productivity setups alike. A compatible replacement OEM accessory to restore an existing Dell Precision workstation to full function. Search terms: Dell dock, E-Port, USB 3.0, docking station, Precision 3510 7510 7710, DisplayPort, DVI, VGA, Ethernet.