Original Dell docking station Supports up to 3 external displays - 1 DisplayPort 4K UHD 30Hz - 2 HDMI Full HD up to 2560 x 1440 60Hz 3 USB 3.0 ports front 2 USB 2.0 ports rear 1 Gigabit Ethernet RJ45 Audio in out rear and Headphone Mic jack front HDMI to DVI adapter included External power adapter included Compact and lightweight design Compatible with Dell and non Dell laptops via USB 3.0